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Finding the Fourth Proportional to 95,599.50, 143,399.58 and 42,947.47

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Solution

The fourth proportional to 95,599.50, 143,399.58 and 42,947.47 is: 64,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,599.50 : 143,399.58 = 42,947.47 : x
  2. Step 2: Convert to fraction form
    95,599.50/143,399.58 = 42,947.47/x
  3. Step 3: Cross multiply
    95,599.50x = 143,399.58 × 42,947.47
  4. Step 4: Simplify right side
    95,599.50x = 6,158,649,500.37
  5. Step 5: Solve for x
    x = 6,158,649,500.37/95,599.50
  6. Step 6: Final answer
    x = 64,421.36

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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.