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Finding the Fourth Proportional to 97,311.60, 145,967.40 and 95,999.40

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Solution

The fourth proportional to 97,311.60, 145,967.40 and 95,999.40 is: 143,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,311.60 : 145,967.40 = 95,999.40 : x
  2. Step 2: Convert to fraction form
    97,311.60/145,967.40 = 95,999.40/x
  3. Step 3: Cross multiply
    97,311.60x = 145,967.40 × 95,999.40
  4. Step 4: Simplify right side
    97,311.60x = 14,012,782,819.56
  5. Step 5: Solve for x
    x = 14,012,782,819.56/97,311.60
  6. Step 6: Final answer
    x = 143,999.10

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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.