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Finding the Fourth Proportional to 155,683.60, 232,672.40 and 113,652.20

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Solution

The fourth proportional to 155,683.60, 232,672.40 and 113,652.20 is: 169,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,683.60 : 232,672.40 = 113,652.20 : x
  2. Step 2: Convert to fraction form
    155,683.60/232,672.40 = 113,652.20/x
  3. Step 3: Cross multiply
    155,683.60x = 232,672.40 × 113,652.20
  4. Step 4: Simplify right side
    155,683.60x = 26,443,730,139.28
  5. Step 5: Solve for x
    x = 26,443,730,139.28/155,683.60
  6. Step 6: Final answer
    x = 169,855.59

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.