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Finding the Fourth Proportional to 96,706.68, 145,117.53 and 52,332.54

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Solution

The fourth proportional to 96,706.68, 145,117.53 and 52,332.54 is: 78,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,706.68 : 145,117.53 = 52,332.54 : x
  2. Step 2: Convert to fraction form
    96,706.68/145,117.53 = 52,332.54/x
  3. Step 3: Cross multiply
    96,706.68x = 145,117.53 × 52,332.54
  4. Step 4: Simplify right side
    96,706.68x = 7,594,368,943.43
  5. Step 5: Solve for x
    x = 7,594,368,943.43/96,706.68
  6. Step 6: Final answer
    x = 78,529.93

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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.