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Finding the Fourth Proportional to 124,477.92, 186,655.44 and 54,326.88

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Solution

The fourth proportional to 124,477.92, 186,655.44 and 54,326.88 is: 81,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,477.92 : 186,655.44 = 54,326.88 : x
  2. Step 2: Convert to fraction form
    124,477.92/186,655.44 = 54,326.88/x
  3. Step 3: Cross multiply
    124,477.92x = 186,655.44 × 54,326.88
  4. Step 4: Simplify right side
    124,477.92x = 10,140,407,690.23
  5. Step 5: Solve for x
    x = 10,140,407,690.23/124,477.92
  6. Step 6: Final answer
    x = 81,463.51

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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.