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Finding the Fourth Proportional to 96,013.80, 143,959.02 and 39,892.68

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Solution

The fourth proportional to 96,013.80, 143,959.02 and 39,892.68 is: 59,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,013.80 : 143,959.02 = 39,892.68 : x
  2. Step 2: Convert to fraction form
    96,013.80/143,959.02 = 39,892.68/x
  3. Step 3: Cross multiply
    96,013.80x = 143,959.02 × 39,892.68
  4. Step 4: Simplify right side
    96,013.80x = 5,742,911,117.97
  5. Step 5: Solve for x
    x = 5,742,911,117.97/96,013.80
  6. Step 6: Final answer
    x = 59,813.39

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1.5x scale

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.