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Finding the Fourth Proportional to 101,283.55, 151,958.13 and 48,686.20

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Solution

The fourth proportional to 101,283.55, 151,958.13 and 48,686.20 is: 73,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,283.55 : 151,958.13 = 48,686.20 : x
  2. Step 2: Convert to fraction form
    101,283.55/151,958.13 = 48,686.20/x
  3. Step 3: Cross multiply
    101,283.55x = 151,958.13 × 48,686.20
  4. Step 4: Simplify right side
    101,283.55x = 7,398,263,346.34
  5. Step 5: Solve for x
    x = 7,398,263,346.34/101,283.55
  6. Step 6: Final answer
    x = 73,045.07

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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.