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Finding the Fourth Proportional to 147,881.81, 221,727.96 and 62,469.47

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Solution

The fourth proportional to 147,881.81, 221,727.96 and 62,469.47 is: 93,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,881.81 : 221,727.96 = 62,469.47 : x
  2. Step 2: Convert to fraction form
    147,881.81/221,727.96 = 62,469.47/x
  3. Step 3: Cross multiply
    147,881.81x = 221,727.96 × 62,469.47
  4. Step 4: Simplify right side
    147,881.81x = 13,851,227,036.74
  5. Step 5: Solve for x
    x = 13,851,227,036.74/147,881.81
  6. Step 6: Final answer
    x = 93,664.17

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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.