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Finding the Fourth Proportional to 158,373.63, 218,472.75 and 97,924.95

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Solution

The fourth proportional to 158,373.63, 218,472.75 and 97,924.95 is: 135,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,373.63 : 218,472.75 = 97,924.95 : x
  2. Step 2: Convert to fraction form
    158,373.63/218,472.75 = 97,924.95/x
  3. Step 3: Cross multiply
    158,373.63x = 218,472.75 × 97,924.95
  4. Step 4: Simplify right side
    158,373.63x = 21,393,933,120.11
  5. Step 5: Solve for x
    x = 21,393,933,120.11/158,373.63
  6. Step 6: Final answer
    x = 135,085.20

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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.