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Finding the Fourth Proportional to 355,366.98, 532,971.96 and 102,592.56

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Solution

The fourth proportional to 355,366.98, 532,971.96 and 102,592.56 is: 153,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,366.98 : 532,971.96 = 102,592.56 : x
  2. Step 2: Convert to fraction form
    355,366.98/532,971.96 = 102,592.56/x
  3. Step 3: Cross multiply
    355,366.98x = 532,971.96 × 102,592.56
  4. Step 4: Simplify right side
    355,366.98x = 54,678,957,784.62
  5. Step 5: Solve for x
    x = 54,678,957,784.62/355,366.98
  6. Step 6: Final answer
    x = 153,866.17

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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.