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Finding the Fourth Proportional to 243,537.40, 365,306.76 and 75,052.28

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Solution

The fourth proportional to 243,537.40, 365,306.76 and 75,052.28 is: 112,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,537.40 : 365,306.76 = 75,052.28 : x
  2. Step 2: Convert to fraction form
    243,537.40/365,306.76 = 75,052.28/x
  3. Step 3: Cross multiply
    243,537.40x = 365,306.76 × 75,052.28
  4. Step 4: Simplify right side
    243,537.40x = 27,417,105,237.41
  5. Step 5: Solve for x
    x = 27,417,105,237.41/243,537.40
  6. Step 6: Final answer
    x = 112,578.62

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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.