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Finding the Fourth Proportional to 119,657.55, 165,127.04 and 65,942.55

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Solution

The fourth proportional to 119,657.55, 165,127.04 and 65,942.55 is: 91,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,657.55 : 165,127.04 = 65,942.55 : x
  2. Step 2: Convert to fraction form
    119,657.55/165,127.04 = 65,942.55/x
  3. Step 3: Cross multiply
    119,657.55x = 165,127.04 × 65,942.55
  4. Step 4: Simplify right side
    119,657.55x = 10,888,897,761.84
  5. Step 5: Solve for x
    x = 10,888,897,761.84/119,657.55
  6. Step 6: Final answer
    x = 91,000.51

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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.