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Finding the Fourth Proportional to 229,029.25, 316,061.16 and 127,056.73

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Solution

The fourth proportional to 229,029.25, 316,061.16 and 127,056.73 is: 175,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,029.25 : 316,061.16 = 127,056.73 : x
  2. Step 2: Convert to fraction form
    229,029.25/316,061.16 = 127,056.73/x
  3. Step 3: Cross multiply
    229,029.25x = 316,061.16 × 127,056.73
  4. Step 4: Simplify right side
    229,029.25x = 40,157,697,469.61
  5. Step 5: Solve for x
    x = 40,157,697,469.61/229,029.25
  6. Step 6: Final answer
    x = 175,338.73

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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.