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Finding the Fourth Proportional to 117,363.50, 176,074.74 and 54,228.28

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Solution

The fourth proportional to 117,363.50, 176,074.74 and 54,228.28 is: 81,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,363.50 : 176,074.74 = 54,228.28 : x
  2. Step 2: Convert to fraction form
    117,363.50/176,074.74 = 54,228.28/x
  3. Step 3: Cross multiply
    117,363.50x = 176,074.74 × 54,228.28
  4. Step 4: Simplify right side
    117,363.50x = 9,548,230,301.65
  5. Step 5: Solve for x
    x = 9,548,230,301.65/117,363.50
  6. Step 6: Final answer
    x = 81,356.05

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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.