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Finding the Fourth Proportional to 142,913.57, 214,361.71 and 64,006.61

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Solution

The fourth proportional to 142,913.57, 214,361.71 and 64,006.61 is: 96,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,913.57 : 214,361.71 = 64,006.61 : x
  2. Step 2: Convert to fraction form
    142,913.57/214,361.71 = 64,006.61/x
  3. Step 3: Cross multiply
    142,913.57x = 214,361.71 × 64,006.61
  4. Step 4: Simplify right side
    142,913.57x = 13,720,565,139.08
  5. Step 5: Solve for x
    x = 13,720,565,139.08/142,913.57
  6. Step 6: Final answer
    x = 96,006.04

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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.