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Finding the Fourth Proportional to 227,335.95, 313,750.25 and 136,737.45

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Solution

The fourth proportional to 227,335.95, 313,750.25 and 136,737.45 is: 188,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,335.95 : 313,750.25 = 136,737.45 : x
  2. Step 2: Convert to fraction form
    227,335.95/313,750.25 = 136,737.45/x
  3. Step 3: Cross multiply
    227,335.95x = 313,750.25 × 136,737.45
  4. Step 4: Simplify right side
    227,335.95x = 42,901,406,869.42
  5. Step 5: Solve for x
    x = 42,901,406,869.42/227,335.95
  6. Step 6: Final answer
    x = 188,713.70

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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.