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Finding the Fourth Proportional to 101,995.60, 152,993.52 and 31,875.28

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Solution

The fourth proportional to 101,995.60, 152,993.52 and 31,875.28 is: 47,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,995.60 : 152,993.52 = 31,875.28 : x
  2. Step 2: Convert to fraction form
    101,995.60/152,993.52 = 31,875.28/x
  3. Step 3: Cross multiply
    101,995.60x = 152,993.52 × 31,875.28
  4. Step 4: Simplify right side
    101,995.60x = 4,876,711,288.19
  5. Step 5: Solve for x
    x = 4,876,711,288.19/101,995.60
  6. Step 6: Final answer
    x = 47,812.96

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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.