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Finding the Fourth Proportional to 243,852.17, 365,813.18 and 75,387.15

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Solution

The fourth proportional to 243,852.17, 365,813.18 and 75,387.15 is: 113,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,852.17 : 365,813.18 = 75,387.15 : x
  2. Step 2: Convert to fraction form
    243,852.17/365,813.18 = 75,387.15/x
  3. Step 3: Cross multiply
    243,852.17x = 365,813.18 × 75,387.15
  4. Step 4: Simplify right side
    243,852.17x = 27,577,612,695.70
  5. Step 5: Solve for x
    x = 27,577,612,695.70/243,852.17
  6. Step 6: Final answer
    x = 113,091.52

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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.