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Finding the Fourth Proportional to 101,529.60, 152,431.20 and 59,452.80

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Solution

The fourth proportional to 101,529.60, 152,431.20 and 59,452.80 is: 89,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,529.60 : 152,431.20 = 59,452.80 : x
  2. Step 2: Convert to fraction form
    101,529.60/152,431.20 = 59,452.80/x
  3. Step 3: Cross multiply
    101,529.60x = 152,431.20 × 59,452.80
  4. Step 4: Simplify right side
    101,529.60x = 9,062,461,647.36
  5. Step 5: Solve for x
    x = 9,062,461,647.36/101,529.60
  6. Step 6: Final answer
    x = 89,259.31

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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.