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Finding the Fourth Proportional to 163,053.80, 244,580.70 and 143,808.20

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Solution

The fourth proportional to 163,053.80, 244,580.70 and 143,808.20 is: 215,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,053.80 : 244,580.70 = 143,808.20 : x
  2. Step 2: Convert to fraction form
    163,053.80/244,580.70 = 143,808.20/x
  3. Step 3: Cross multiply
    163,053.80x = 244,580.70 × 143,808.20
  4. Step 4: Simplify right side
    163,053.80x = 35,172,710,221.74
  5. Step 5: Solve for x
    x = 35,172,710,221.74/163,053.80
  6. Step 6: Final answer
    x = 215,712.30

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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.