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Finding the Fourth Proportional to 135,373.55, 186,702.57 and 101,462.90

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Solution

The fourth proportional to 135,373.55, 186,702.57 and 101,462.90 is: 139,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,373.55 : 186,702.57 = 101,462.90 : x
  2. Step 2: Convert to fraction form
    135,373.55/186,702.57 = 101,462.90/x
  3. Step 3: Cross multiply
    135,373.55x = 186,702.57 × 101,462.90
  4. Step 4: Simplify right side
    135,373.55x = 18,943,383,256.14
  5. Step 5: Solve for x
    x = 18,943,383,256.14/135,373.55
  6. Step 6: Final answer
    x = 139,934.16

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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.