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Finding the Fourth Proportional to 153,864.70, 230,818.65 and 48,672.70

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Solution

The fourth proportional to 153,864.70, 230,818.65 and 48,672.70 is: 73,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,864.70 : 230,818.65 = 48,672.70 : x
  2. Step 2: Convert to fraction form
    153,864.70/230,818.65 = 48,672.70/x
  3. Step 3: Cross multiply
    153,864.70x = 230,818.65 × 48,672.70
  4. Step 4: Simplify right side
    153,864.70x = 11,234,566,905.86
  5. Step 5: Solve for x
    x = 11,234,566,905.86/153,864.70
  6. Step 6: Final answer
    x = 73,015.88

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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.