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Finding the Fourth Proportional to 243,191.82, 364,805.16 and 93,432.12

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Solution

The fourth proportional to 243,191.82, 364,805.16 and 93,432.12 is: 140,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,191.82 : 364,805.16 = 93,432.12 : x
  2. Step 2: Convert to fraction form
    243,191.82/364,805.16 = 93,432.12/x
  3. Step 3: Cross multiply
    243,191.82x = 364,805.16 × 93,432.12
  4. Step 4: Simplify right side
    243,191.82x = 34,084,519,485.74
  5. Step 5: Solve for x
    x = 34,084,519,485.74/243,191.82
  6. Step 6: Final answer
    x = 140,154.88

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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.