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Finding the Fourth Proportional to 147,046.65, 220,642.95 and 58,298.19

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Solution

The fourth proportional to 147,046.65, 220,642.95 and 58,298.19 is: 87,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,046.65 : 220,642.95 = 58,298.19 : x
  2. Step 2: Convert to fraction form
    147,046.65/220,642.95 = 58,298.19/x
  3. Step 3: Cross multiply
    147,046.65x = 220,642.95 × 58,298.19
  4. Step 4: Simplify right side
    147,046.65x = 12,863,084,621.26
  5. Step 5: Solve for x
    x = 12,863,084,621.26/147,046.65
  6. Step 6: Final answer
    x = 87,476.22

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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.