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Finding the Fourth Proportional to 124,924.80, 187,322.40 and 45,998.40

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Solution

The fourth proportional to 124,924.80, 187,322.40 and 45,998.40 is: 68,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,924.80 : 187,322.40 = 45,998.40 : x
  2. Step 2: Convert to fraction form
    124,924.80/187,322.40 = 45,998.40/x
  3. Step 3: Cross multiply
    124,924.80x = 187,322.40 × 45,998.40
  4. Step 4: Simplify right side
    124,924.80x = 8,616,530,684.16
  5. Step 5: Solve for x
    x = 8,616,530,684.16/124,924.80
  6. Step 6: Final answer
    x = 68,973.74

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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.