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Finding the Fourth Proportional to 170,404,602.80, 255,606,904.20 and 149,359,539.20

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Solution

The fourth proportional to 170,404,602.80, 255,606,904.20 and 149,359,539.20 is: 224,039,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,404,602.80 : 255,606,904.20 = 149,359,539.20 : x
  2. Step 2: Convert to fraction form
    170,404,602.80/255,606,904.20 = 149,359,539.20/x
  3. Step 3: Cross multiply
    170,404,602.80x = 255,606,904.20 × 149,359,539.20
  4. Step 4: Simplify right side
    170,404,602.80x = 38,177,329,427,650,536
  5. Step 5: Solve for x
    x = 38,177,329,427,650,536/170,404,602.80
  6. Step 6: Final answer
    x = 224,039,308.80

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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.