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Finding the Fourth Proportional to 124,391.34, 171,660.06 and 67,802.76

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Solution

The fourth proportional to 124,391.34, 171,660.06 and 67,802.76 is: 93,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,391.34 : 171,660.06 = 67,802.76 : x
  2. Step 2: Convert to fraction form
    124,391.34/171,660.06 = 67,802.76/x
  3. Step 3: Cross multiply
    124,391.34x = 171,660.06 × 67,802.76
  4. Step 4: Simplify right side
    124,391.34x = 11,639,025,849.77
  5. Step 5: Solve for x
    x = 11,639,025,849.77/124,391.34
  6. Step 6: Final answer
    x = 93,567.81

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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.