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Finding the Fourth Proportional to 144,645.60, 199,564.49 and 93,697.38

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Solution

The fourth proportional to 144,645.60, 199,564.49 and 93,697.38 is: 129,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,645.60 : 199,564.49 = 93,697.38 : x
  2. Step 2: Convert to fraction form
    144,645.60/199,564.49 = 93,697.38/x
  3. Step 3: Cross multiply
    144,645.60x = 199,564.49 × 93,697.38
  4. Step 4: Simplify right side
    144,645.60x = 18,698,669,854.04
  5. Step 5: Solve for x
    x = 18,698,669,854.04/144,645.60
  6. Step 6: Final answer
    x = 129,272.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.