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Finding the Fourth Proportional to 153,886.70, 230,851.65 and 48,694.70

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Solution

The fourth proportional to 153,886.70, 230,851.65 and 48,694.70 is: 73,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,886.70 : 230,851.65 = 48,694.70 : x
  2. Step 2: Convert to fraction form
    153,886.70/230,851.65 = 48,694.70/x
  3. Step 3: Cross multiply
    153,886.70x = 230,851.65 × 48,694.70
  4. Step 4: Simplify right side
    153,886.70x = 11,241,251,841.26
  5. Step 5: Solve for x
    x = 11,241,251,841.26/153,886.70
  6. Step 6: Final answer
    x = 73,048.88

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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.