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Finding the Fourth Proportional to 101,656.45, 152,458.03 and 30,560.05

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Solution

The fourth proportional to 101,656.45, 152,458.03 and 30,560.05 is: 45,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,656.45 : 152,458.03 = 30,560.05 : x
  2. Step 2: Convert to fraction form
    101,656.45/152,458.03 = 30,560.05/x
  3. Step 3: Cross multiply
    101,656.45x = 152,458.03 × 30,560.05
  4. Step 4: Simplify right side
    101,656.45x = 4,659,125,248.47
  5. Step 5: Solve for x
    x = 4,659,125,248.47/101,656.45
  6. Step 6: Final answer
    x = 45,832.07

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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.