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Finding the Fourth Proportional to 124,593.39, 171,922.80 and 70,138.68

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Solution

The fourth proportional to 124,593.39, 171,922.80 and 70,138.68 is: 96,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,593.39 : 171,922.80 = 70,138.68 : x
  2. Step 2: Convert to fraction form
    124,593.39/171,922.80 = 70,138.68/x
  3. Step 3: Cross multiply
    124,593.39x = 171,922.80 × 70,138.68
  4. Step 4: Simplify right side
    124,593.39x = 12,058,439,322.81
  5. Step 5: Solve for x
    x = 12,058,439,322.81/124,593.39
  6. Step 6: Final answer
    x = 96,782.34

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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.