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Finding the Fourth Proportional to 243,585.41, 365,354.61 and 75,060.48

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Solution

The fourth proportional to 243,585.41, 365,354.61 and 75,060.48 is: 112,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,585.41 : 365,354.61 = 75,060.48 : x
  2. Step 2: Convert to fraction form
    243,585.41/365,354.61 = 75,060.48/x
  3. Step 3: Cross multiply
    243,585.41x = 365,354.61 × 75,060.48
  4. Step 4: Simplify right side
    243,585.41x = 27,423,693,091.18
  5. Step 5: Solve for x
    x = 27,423,693,091.18/243,585.41
  6. Step 6: Final answer
    x = 112,583.48

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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.