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Finding the Fourth Proportional to 171,041.60, 256,562.40 and 52,749.20

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Solution

The fourth proportional to 171,041.60, 256,562.40 and 52,749.20 is: 79,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,041.60 : 256,562.40 = 52,749.20 : x
  2. Step 2: Convert to fraction form
    171,041.60/256,562.40 = 52,749.20/x
  3. Step 3: Cross multiply
    171,041.60x = 256,562.40 × 52,749.20
  4. Step 4: Simplify right side
    171,041.60x = 13,533,461,350.08
  5. Step 5: Solve for x
    x = 13,533,461,350.08/171,041.60
  6. Step 6: Final answer
    x = 79,123.80

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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.