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Finding the Fourth Proportional to 155,429.60, 233,259.60 and 113,957.60

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Solution

The fourth proportional to 155,429.60, 233,259.60 and 113,957.60 is: 171,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.60 : 233,259.60 = 113,957.60 : x
  2. Step 2: Convert to fraction form
    155,429.60/233,259.60 = 113,957.60/x
  3. Step 3: Cross multiply
    155,429.60x = 233,259.60 × 113,957.60
  4. Step 4: Simplify right side
    155,429.60x = 26,581,704,192.96
  5. Step 5: Solve for x
    x = 26,581,704,192.96/155,429.60
  6. Step 6: Final answer
    x = 171,020.86

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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.