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Finding the Fourth Proportional to 124,349.84, 171,602.48 and 67,761.12

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Solution

The fourth proportional to 124,349.84, 171,602.48 and 67,761.12 is: 93,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,349.84 : 171,602.48 = 67,761.12 : x
  2. Step 2: Convert to fraction form
    124,349.84/171,602.48 = 67,761.12/x
  3. Step 3: Cross multiply
    124,349.84x = 171,602.48 × 67,761.12
  4. Step 4: Simplify right side
    124,349.84x = 11,627,976,239.58
  5. Step 5: Solve for x
    x = 11,627,976,239.58/124,349.84
  6. Step 6: Final answer
    x = 93,510.18

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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.