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Finding the Fourth Proportional to 121,251.67, 181,877.52 and 37,012.30

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Solution

The fourth proportional to 121,251.67, 181,877.52 and 37,012.30 is: 55,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,251.67 : 181,877.52 = 37,012.30 : x
  2. Step 2: Convert to fraction form
    121,251.67/181,877.52 = 37,012.30/x
  3. Step 3: Cross multiply
    121,251.67x = 181,877.52 × 37,012.30
  4. Step 4: Simplify right side
    121,251.67x = 6,731,705,333.50
  5. Step 5: Solve for x
    x = 6,731,705,333.50/121,251.67
  6. Step 6: Final answer
    x = 55,518.45

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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.