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Finding the Fourth Proportional to 117,154.95, 175,628.75 and 54,808.71

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Solution

The fourth proportional to 117,154.95, 175,628.75 and 54,808.71 is: 82,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,154.95 : 175,628.75 = 54,808.71 : x
  2. Step 2: Convert to fraction form
    117,154.95/175,628.75 = 54,808.71/x
  3. Step 3: Cross multiply
    117,154.95x = 175,628.75 × 54,808.71
  4. Step 4: Simplify right side
    117,154.95x = 9,625,984,952.37
  5. Step 5: Solve for x
    x = 9,625,984,952.37/117,154.95
  6. Step 6: Final answer
    x = 82,164.56

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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.