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Finding the Fourth Proportional to 124,422.48, 171,703.80 and 67,834.80

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Solution

The fourth proportional to 124,422.48, 171,703.80 and 67,834.80 is: 93,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,422.48 : 171,703.80 = 67,834.80 : x
  2. Step 2: Convert to fraction form
    124,422.48/171,703.80 = 67,834.80/x
  3. Step 3: Cross multiply
    124,422.48x = 171,703.80 × 67,834.80
  4. Step 4: Simplify right side
    124,422.48x = 11,647,492,932.24
  5. Step 5: Solve for x
    x = 11,647,492,932.24/124,422.48
  6. Step 6: Final answer
    x = 93,612.45

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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.