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Finding the Fourth Proportional to 243,573.76, 365,397.09 and 75,080.08

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Solution

The fourth proportional to 243,573.76, 365,397.09 and 75,080.08 is: 112,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,573.76 : 365,397.09 = 75,080.08 : x
  2. Step 2: Convert to fraction form
    243,573.76/365,397.09 = 75,080.08/x
  3. Step 3: Cross multiply
    243,573.76x = 365,397.09 × 75,080.08
  4. Step 4: Simplify right side
    243,573.76x = 27,434,042,748.97
  5. Step 5: Solve for x
    x = 27,434,042,748.97/243,573.76
  6. Step 6: Final answer
    x = 112,631.36

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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.