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Finding the Fourth Proportional to 155,027.60, 232,541.40 and 49,857.20

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Solution

The fourth proportional to 155,027.60, 232,541.40 and 49,857.20 is: 74,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,027.60 : 232,541.40 = 49,857.20 : x
  2. Step 2: Convert to fraction form
    155,027.60/232,541.40 = 49,857.20/x
  3. Step 3: Cross multiply
    155,027.60x = 232,541.40 × 49,857.20
  4. Step 4: Simplify right side
    155,027.60x = 11,593,863,088.08
  5. Step 5: Solve for x
    x = 11,593,863,088.08/155,027.60
  6. Step 6: Final answer
    x = 74,785.80

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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.