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Finding the Fourth Proportional to 95,410.60, 143,000.70 and 48,639.40

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Solution

The fourth proportional to 95,410.60, 143,000.70 and 48,639.40 is: 72,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,410.60 : 143,000.70 = 48,639.40 : x
  2. Step 2: Convert to fraction form
    95,410.60/143,000.70 = 48,639.40/x
  3. Step 3: Cross multiply
    95,410.60x = 143,000.70 × 48,639.40
  4. Step 4: Simplify right side
    95,410.60x = 6,955,468,247.58
  5. Step 5: Solve for x
    x = 6,955,468,247.58/95,410.60
  6. Step 6: Final answer
    x = 72,900.37

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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.