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Finding the Fourth Proportional to 72,500.54, 99,993.03 and 59,903.42

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Solution

The fourth proportional to 72,500.54, 99,993.03 and 59,903.42 is: 82,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500.54 : 99,993.03 = 59,903.42 : x
  2. Step 2: Convert to fraction form
    72,500.54/99,993.03 = 59,903.42/x
  3. Step 3: Cross multiply
    72,500.54x = 99,993.03 × 59,903.42
  4. Step 4: Simplify right side
    72,500.54x = 5,989,924,473.16
  5. Step 5: Solve for x
    x = 5,989,924,473.16/72,500.54
  6. Step 6: Final answer
    x = 82,619.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.