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Finding the Fourth Proportional to 229,193.28, 316,285.58 and 127,219.96

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Solution

The fourth proportional to 229,193.28, 316,285.58 and 127,219.96 is: 175,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,193.28 : 316,285.58 = 127,219.96 : x
  2. Step 2: Convert to fraction form
    229,193.28/316,285.58 = 127,219.96/x
  3. Step 3: Cross multiply
    229,193.28x = 316,285.58 × 127,219.96
  4. Step 4: Simplify right side
    229,193.28x = 40,237,838,836.18
  5. Step 5: Solve for x
    x = 40,237,838,836.18/229,193.28
  6. Step 6: Final answer
    x = 175,562.91

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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.