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Finding the Fourth Proportional to 117,675.60, 176,254.20 and 82,424.40

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Solution

The fourth proportional to 117,675.60, 176,254.20 and 82,424.40 is: 123,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,675.60 : 176,254.20 = 82,424.40 : x
  2. Step 2: Convert to fraction form
    117,675.60/176,254.20 = 82,424.40/x
  3. Step 3: Cross multiply
    117,675.60x = 176,254.20 × 82,424.40
  4. Step 4: Simplify right side
    117,675.60x = 14,527,646,682.48
  5. Step 5: Solve for x
    x = 14,527,646,682.48/117,675.60
  6. Step 6: Final answer
    x = 123,455.05

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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.