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Finding the Fourth Proportional to 102,148.98, 153,366.99 and 52,264.86

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Solution

The fourth proportional to 102,148.98, 153,366.99 and 52,264.86 is: 78,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,148.98 : 153,366.99 = 52,264.86 : x
  2. Step 2: Convert to fraction form
    102,148.98/153,366.99 = 52,264.86/x
  3. Step 3: Cross multiply
    102,148.98x = 153,366.99 × 52,264.86
  4. Step 4: Simplify right side
    102,148.98x = 8,015,704,260.97
  5. Step 5: Solve for x
    x = 8,015,704,260.97/102,148.98
  6. Step 6: Final answer
    x = 78,470.72

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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.