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Finding the Fourth Proportional to 173,387.47, 260,081.20 and 48,728.47

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Solution

The fourth proportional to 173,387.47, 260,081.20 and 48,728.47 is: 73,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387.47 : 260,081.20 = 48,728.47 : x
  2. Step 2: Convert to fraction form
    173,387.47/260,081.20 = 48,728.47/x
  3. Step 3: Cross multiply
    173,387.47x = 260,081.20 × 48,728.47
  4. Step 4: Simplify right side
    173,387.47x = 12,673,358,951.76
  5. Step 5: Solve for x
    x = 12,673,358,951.76/173,387.47
  6. Step 6: Final answer
    x = 73,092.70

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1.5x scale

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.