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Finding the Fourth Proportional to 124,124.97, 186,304.05 and 65,003.07

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Solution

The fourth proportional to 124,124.97, 186,304.05 and 65,003.07 is: 97,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,124.97 : 186,304.05 = 65,003.07 : x
  2. Step 2: Convert to fraction form
    124,124.97/186,304.05 = 65,003.07/x
  3. Step 3: Cross multiply
    124,124.97x = 186,304.05 × 65,003.07
  4. Step 4: Simplify right side
    124,124.97x = 12,110,335,203.43
  5. Step 5: Solve for x
    x = 12,110,335,203.43/124,124.97
  6. Step 6: Final answer
    x = 97,565.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.