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Finding the Fourth Proportional to 243,708.48, 365,671.68 and 154,938.24

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Solution

The fourth proportional to 243,708.48, 365,671.68 and 154,938.24 is: 232,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,708.48 : 365,671.68 = 154,938.24 : x
  2. Step 2: Convert to fraction form
    243,708.48/365,671.68 = 154,938.24/x
  3. Step 3: Cross multiply
    243,708.48x = 365,671.68 × 154,938.24
  4. Step 4: Simplify right side
    243,708.48x = 56,656,526,517.04
  5. Step 5: Solve for x
    x = 56,656,526,517.04/243,708.48
  6. Step 6: Final answer
    x = 232,476.63

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1.5x scale

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.