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Finding the Fourth Proportional to 64,839.74, 97,259.60 and 50,070.20

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Solution

The fourth proportional to 64,839.74, 97,259.60 and 50,070.20 is: 75,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,839.74 : 97,259.60 = 50,070.20 : x
  2. Step 2: Convert to fraction form
    64,839.74/97,259.60 = 50,070.20/x
  3. Step 3: Cross multiply
    64,839.74x = 97,259.60 × 50,070.20
  4. Step 4: Simplify right side
    64,839.74x = 4,869,807,262.80
  5. Step 5: Solve for x
    x = 4,869,807,262.80/64,839.74
  6. Step 6: Final answer
    x = 75,105.29

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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.