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Finding the Fourth Proportional to 174,009.60, 260,981.46 and 61,685.28

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Solution

The fourth proportional to 174,009.60, 260,981.46 and 61,685.28 is: 92,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,009.60 : 260,981.46 = 61,685.28 : x
  2. Step 2: Convert to fraction form
    174,009.60/260,981.46 = 61,685.28/x
  3. Step 3: Cross multiply
    174,009.60x = 260,981.46 × 61,685.28
  4. Step 4: Simplify right side
    174,009.60x = 16,098,714,434.91
  5. Step 5: Solve for x
    x = 16,098,714,434.91/174,009.60
  6. Step 6: Final answer
    x = 92,516.24

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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.