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Finding the Fourth Proportional to 158,362.74, 218,171.57 and 110,531.70

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Solution

The fourth proportional to 158,362.74, 218,171.57 and 110,531.70 is: 152,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,362.74 : 218,171.57 = 110,531.70 : x
  2. Step 2: Convert to fraction form
    158,362.74/218,171.57 = 110,531.70/x
  3. Step 3: Cross multiply
    158,362.74x = 218,171.57 × 110,531.70
  4. Step 4: Simplify right side
    158,362.74x = 24,114,874,523.77
  5. Step 5: Solve for x
    x = 24,114,874,523.77/158,362.74
  6. Step 6: Final answer
    x = 152,276.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.