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Finding the Fourth Proportional to 229,008.52, 316,069.56 and 127,066.78

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Solution

The fourth proportional to 229,008.52, 316,069.56 and 127,066.78 is: 175,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,008.52 : 316,069.56 = 127,066.78 : x
  2. Step 2: Convert to fraction form
    229,008.52/316,069.56 = 127,066.78/x
  3. Step 3: Cross multiply
    229,008.52x = 316,069.56 × 127,066.78
  4. Step 4: Simplify right side
    229,008.52x = 40,161,941,245.22
  5. Step 5: Solve for x
    x = 40,161,941,245.22/229,008.52
  6. Step 6: Final answer
    x = 175,373.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.