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Finding the Fourth Proportional to 229,461.56, 316,658.22 and 127,487.16

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Solution

The fourth proportional to 229,461.56, 316,658.22 and 127,487.16 is: 175,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,461.56 : 316,658.22 = 127,487.16 : x
  2. Step 2: Convert to fraction form
    229,461.56/316,658.22 = 127,487.16/x
  3. Step 3: Cross multiply
    229,461.56x = 316,658.22 × 127,487.16
  4. Step 4: Simplify right side
    229,461.56x = 40,369,857,158.46
  5. Step 5: Solve for x
    x = 40,369,857,158.46/229,461.56
  6. Step 6: Final answer
    x = 175,932.98

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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.