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Finding the Fourth Proportional to 292,153.52, 403,171.86 and 158,017.52

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Solution

The fourth proportional to 292,153.52, 403,171.86 and 158,017.52 is: 218,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,153.52 : 403,171.86 = 158,017.52 : x
  2. Step 2: Convert to fraction form
    292,153.52/403,171.86 = 158,017.52/x
  3. Step 3: Cross multiply
    292,153.52x = 403,171.86 × 158,017.52
  4. Step 4: Simplify right side
    292,153.52x = 63,708,217,450.99
  5. Step 5: Solve for x
    x = 63,708,217,450.99/292,153.52
  6. Step 6: Final answer
    x = 218,064.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.