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Finding the Fourth Proportional to 117,727.60, 176,548.20 and 38,844.40

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Solution

The fourth proportional to 117,727.60, 176,548.20 and 38,844.40 is: 58,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,727.60 : 176,548.20 = 38,844.40 : x
  2. Step 2: Convert to fraction form
    117,727.60/176,548.20 = 38,844.40/x
  3. Step 3: Cross multiply
    117,727.60x = 176,548.20 × 38,844.40
  4. Step 4: Simplify right side
    117,727.60x = 6,857,908,900.08
  5. Step 5: Solve for x
    x = 6,857,908,900.08/117,727.60
  6. Step 6: Final answer
    x = 58,252.35

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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.