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Finding the Fourth Proportional to 358,152.27, 537,294.85 and 118,282.79

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Solution

The fourth proportional to 358,152.27, 537,294.85 and 118,282.79 is: 177,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,152.27 : 537,294.85 = 118,282.79 : x
  2. Step 2: Convert to fraction form
    358,152.27/537,294.85 = 118,282.79/x
  3. Step 3: Cross multiply
    358,152.27x = 537,294.85 × 118,282.79
  4. Step 4: Simplify right side
    358,152.27x = 63,552,731,935.88
  5. Step 5: Solve for x
    x = 63,552,731,935.88/358,152.27
  6. Step 6: Final answer
    x = 177,446.13

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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.