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Finding the Fourth Proportional to 369,957.92, 554,937.14 and 89,475.44

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Solution

The fourth proportional to 369,957.92, 554,937.14 and 89,475.44 is: 134,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,957.92 : 554,937.14 = 89,475.44 : x
  2. Step 2: Convert to fraction form
    369,957.92/554,937.14 = 89,475.44/x
  3. Step 3: Cross multiply
    369,957.92x = 554,937.14 × 89,475.44
  4. Step 4: Simplify right side
    369,957.92x = 49,653,242,222.84
  5. Step 5: Solve for x
    x = 49,653,242,222.84/369,957.92
  6. Step 6: Final answer
    x = 134,213.22

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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.