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Finding the Fourth Proportional to 243,416.76, 365,159.70 and 74,951.10

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Solution

The fourth proportional to 243,416.76, 365,159.70 and 74,951.10 is: 112,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,416.76 : 365,159.70 = 74,951.10 : x
  2. Step 2: Convert to fraction form
    243,416.76/365,159.70 = 74,951.10/x
  3. Step 3: Cross multiply
    243,416.76x = 365,159.70 × 74,951.10
  4. Step 4: Simplify right side
    243,416.76x = 27,369,121,190.67
  5. Step 5: Solve for x
    x = 27,369,121,190.67/243,416.76
  6. Step 6: Final answer
    x = 112,437.29

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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.