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Finding the Fourth Proportional to 229,169.35, 316,253.87 and 127,194.91

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Solution

The fourth proportional to 229,169.35, 316,253.87 and 127,194.91 is: 175,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,169.35 : 316,253.87 = 127,194.91 : x
  2. Step 2: Convert to fraction form
    229,169.35/316,253.87 = 127,194.91/x
  3. Step 3: Cross multiply
    229,169.35x = 316,253.87 × 127,194.91
  4. Step 4: Simplify right side
    229,169.35x = 40,225,881,582.17
  5. Step 5: Solve for x
    x = 40,225,881,582.17/229,169.35
  6. Step 6: Final answer
    x = 175,529.06

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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.