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Finding the Fourth Proportional to 163,205,999.80, 244,808,999.70 and 141,948,359.80

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Solution

The fourth proportional to 163,205,999.80, 244,808,999.70 and 141,948,359.80 is: 212,922,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,205,999.80 : 244,808,999.70 = 141,948,359.80 : x
  2. Step 2: Convert to fraction form
    163,205,999.80/244,808,999.70 = 141,948,359.80/x
  3. Step 3: Cross multiply
    163,205,999.80x = 244,808,999.70 × 141,948,359.80
  4. Step 4: Simplify right side
    163,205,999.80x = 34,750,235,971,693,692
  5. Step 5: Solve for x
    x = 34,750,235,971,693,692/163,205,999.80
  6. Step 6: Final answer
    x = 212,922,539.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.