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Finding the Fourth Proportional to 96,989.84, 133,814.76 and 58,737.20

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Solution

The fourth proportional to 96,989.84, 133,814.76 and 58,737.20 is: 81,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.84 : 133,814.76 = 58,737.20 : x
  2. Step 2: Convert to fraction form
    96,989.84/133,814.76 = 58,737.20/x
  3. Step 3: Cross multiply
    96,989.84x = 133,814.76 × 58,737.20
  4. Step 4: Simplify right side
    96,989.84x = 7,859,904,321.07
  5. Step 5: Solve for x
    x = 7,859,904,321.07/96,989.84
  6. Step 6: Final answer
    x = 81,038.43

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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.