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Finding the Fourth Proportional to 124,339, 171,587.84 and 67,750.36

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Solution

The fourth proportional to 124,339, 171,587.84 and 67,750.36 is: 93,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339 : 171,587.84 = 67,750.36 : x
  2. Step 2: Convert to fraction form
    124,339/171,587.84 = 67,750.36/x
  3. Step 3: Cross multiply
    124,339x = 171,587.84 × 67,750.36
  4. Step 4: Simplify right side
    124,339x = 11,625,137,931.62
  5. Step 5: Solve for x
    x = 11,625,137,931.62/124,339
  6. Step 6: Final answer
    x = 93,495.51

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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.