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Finding the Fourth Proportional to 98,365.97, 147,620.03 and 39,167.52

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Solution

The fourth proportional to 98,365.97, 147,620.03 and 39,167.52 is: 58,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,365.97 : 147,620.03 = 39,167.52 : x
  2. Step 2: Convert to fraction form
    98,365.97/147,620.03 = 39,167.52/x
  3. Step 3: Cross multiply
    98,365.97x = 147,620.03 × 39,167.52
  4. Step 4: Simplify right side
    98,365.97x = 5,781,910,281.59
  5. Step 5: Solve for x
    x = 5,781,910,281.59/98,365.97
  6. Step 6: Final answer
    x = 58,779.58

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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.