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Finding the Fourth Proportional to 95,430.60, 143,145.90 and 48,774.60

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Solution

The fourth proportional to 95,430.60, 143,145.90 and 48,774.60 is: 73,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.60 : 143,145.90 = 48,774.60 : x
  2. Step 2: Convert to fraction form
    95,430.60/143,145.90 = 48,774.60/x
  3. Step 3: Cross multiply
    95,430.60x = 143,145.90 × 48,774.60
  4. Step 4: Simplify right side
    95,430.60x = 6,981,884,014.14
  5. Step 5: Solve for x
    x = 6,981,884,014.14/95,430.60
  6. Step 6: Final answer
    x = 73,161.90

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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.