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Finding the Fourth Proportional to 102,597.60, 153,896.40 and 58,360.80

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Solution

The fourth proportional to 102,597.60, 153,896.40 and 58,360.80 is: 87,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,597.60 : 153,896.40 = 58,360.80 : x
  2. Step 2: Convert to fraction form
    102,597.60/153,896.40 = 58,360.80/x
  3. Step 3: Cross multiply
    102,597.60x = 153,896.40 × 58,360.80
  4. Step 4: Simplify right side
    102,597.60x = 8,981,517,021.12
  5. Step 5: Solve for x
    x = 8,981,517,021.12/102,597.60
  6. Step 6: Final answer
    x = 87,541.20

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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.