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Finding the Fourth Proportional to 137,356.29, 205,868.07 and 58,304.52

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Solution

The fourth proportional to 137,356.29, 205,868.07 and 58,304.52 is: 87,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,356.29 : 205,868.07 = 58,304.52 : x
  2. Step 2: Convert to fraction form
    137,356.29/205,868.07 = 58,304.52/x
  3. Step 3: Cross multiply
    137,356.29x = 205,868.07 × 58,304.52
  4. Step 4: Simplify right side
    137,356.29x = 12,003,039,004.68
  5. Step 5: Solve for x
    x = 12,003,039,004.68/137,356.29
  6. Step 6: Final answer
    x = 87,386.16

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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.