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Finding the Fourth Proportional to 147,089.32, 220,629.40 and 41,908.28

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Solution

The fourth proportional to 147,089.32, 220,629.40 and 41,908.28 is: 62,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,089.32 : 220,629.40 = 41,908.28 : x
  2. Step 2: Convert to fraction form
    147,089.32/220,629.40 = 41,908.28/x
  3. Step 3: Cross multiply
    147,089.32x = 220,629.40 × 41,908.28
  4. Step 4: Simplify right side
    147,089.32x = 9,246,197,463.51
  5. Step 5: Solve for x
    x = 9,246,197,463.51/147,089.32
  6. Step 6: Final answer
    x = 62,861.11

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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.