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Finding the Fourth Proportional to 147,502.84, 221,239.68 and 58,732.51

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Solution

The fourth proportional to 147,502.84, 221,239.68 and 58,732.51 is: 88,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,502.84 : 221,239.68 = 58,732.51 : x
  2. Step 2: Convert to fraction form
    147,502.84/221,239.68 = 58,732.51/x
  3. Step 3: Cross multiply
    147,502.84x = 221,239.68 × 58,732.51
  4. Step 4: Simplify right side
    147,502.84x = 12,993,961,718.00
  5. Step 5: Solve for x
    x = 12,993,961,718.00/147,502.84
  6. Step 6: Final answer
    x = 88,092.96

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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.