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Finding the Fourth Proportional to 124,266.87, 171,488.25 and 67,678.25

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Solution

The fourth proportional to 124,266.87, 171,488.25 and 67,678.25 is: 93,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,266.87 : 171,488.25 = 67,678.25 : x
  2. Step 2: Convert to fraction form
    124,266.87/171,488.25 = 67,678.25/x
  3. Step 3: Cross multiply
    124,266.87x = 171,488.25 × 67,678.25
  4. Step 4: Simplify right side
    124,266.87x = 11,606,023,798.12
  5. Step 5: Solve for x
    x = 11,606,023,798.12/124,266.87
  6. Step 6: Final answer
    x = 93,395.96

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1.5x scale

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.