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Finding the Fourth Proportional to 97,500.40, 146,250.60 and 50,747.20

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Solution

The fourth proportional to 97,500.40, 146,250.60 and 50,747.20 is: 76,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,500.40 : 146,250.60 = 50,747.20 : x
  2. Step 2: Convert to fraction form
    97,500.40/146,250.60 = 50,747.20/x
  3. Step 3: Cross multiply
    97,500.40x = 146,250.60 × 50,747.20
  4. Step 4: Simplify right side
    97,500.40x = 7,421,808,448.32
  5. Step 5: Solve for x
    x = 7,421,808,448.32/97,500.40
  6. Step 6: Final answer
    x = 76,120.80

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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.