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Finding the Fourth Proportional to 147,353.30, 220,844.10 and 63,013.76

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Solution

The fourth proportional to 147,353.30, 220,844.10 and 63,013.76 is: 94,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,353.30 : 220,844.10 = 63,013.76 : x
  2. Step 2: Convert to fraction form
    147,353.30/220,844.10 = 63,013.76/x
  3. Step 3: Cross multiply
    147,353.30x = 220,844.10 × 63,013.76
  4. Step 4: Simplify right side
    147,353.30x = 13,916,217,114.82
  5. Step 5: Solve for x
    x = 13,916,217,114.82/147,353.30
  6. Step 6: Final answer
    x = 94,441.16

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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.