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Finding the Fourth Proportional to 229,171.01, 316,253.59 and 127,197.35

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Solution

The fourth proportional to 229,171.01, 316,253.59 and 127,197.35 is: 175,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,171.01 : 316,253.59 = 127,197.35 : x
  2. Step 2: Convert to fraction form
    229,171.01/316,253.59 = 127,197.35/x
  3. Step 3: Cross multiply
    229,171.01x = 316,253.59 × 127,197.35
  4. Step 4: Simplify right side
    229,171.01x = 40,226,618,575.99
  5. Step 5: Solve for x
    x = 40,226,618,575.99/229,171.01
  6. Step 6: Final answer
    x = 175,531.01

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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.