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Finding the Fourth Proportional to 229,875.39, 317,229.62 and 127,905.17

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Solution

The fourth proportional to 229,875.39, 317,229.62 and 127,905.17 is: 176,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,875.39 : 317,229.62 = 127,905.17 : x
  2. Step 2: Convert to fraction form
    229,875.39/317,229.62 = 127,905.17/x
  3. Step 3: Cross multiply
    229,875.39x = 317,229.62 × 127,905.17
  4. Step 4: Simplify right side
    229,875.39x = 40,575,306,249.46
  5. Step 5: Solve for x
    x = 40,575,306,249.46/229,875.39
  6. Step 6: Final answer
    x = 176,510.01

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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.