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Finding the Fourth Proportional to 154,248.72, 230,733.28 and 144,800.88

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Solution

The fourth proportional to 154,248.72, 230,733.28 and 144,800.88 is: 216,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,248.72 : 230,733.28 = 144,800.88 : x
  2. Step 2: Convert to fraction form
    154,248.72/230,733.28 = 144,800.88/x
  3. Step 3: Cross multiply
    154,248.72x = 230,733.28 × 144,800.88
  4. Step 4: Simplify right side
    154,248.72x = 33,410,381,989.29
  5. Step 5: Solve for x
    x = 33,410,381,989.29/154,248.72
  6. Step 6: Final answer
    x = 216,600.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.