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Finding the Fourth Proportional to 124,373.98, 171,640.11 and 70,658.02

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Solution

The fourth proportional to 124,373.98, 171,640.11 and 70,658.02 is: 97,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,373.98 : 171,640.11 = 70,658.02 : x
  2. Step 2: Convert to fraction form
    124,373.98/171,640.11 = 70,658.02/x
  3. Step 3: Cross multiply
    124,373.98x = 171,640.11 × 70,658.02
  4. Step 4: Simplify right side
    124,373.98x = 12,127,750,325.18
  5. Step 5: Solve for x
    x = 12,127,750,325.18/124,373.98
  6. Step 6: Final answer
    x = 97,510.35

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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.