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Finding the Fourth Proportional to 101,323.20, 152,015.58 and 71,798.16

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Solution

The fourth proportional to 101,323.20, 152,015.58 and 71,798.16 is: 107,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,323.20 : 152,015.58 = 71,798.16 : x
  2. Step 2: Convert to fraction form
    101,323.20/152,015.58 = 71,798.16/x
  3. Step 3: Cross multiply
    101,323.20x = 152,015.58 × 71,798.16
  4. Step 4: Simplify right side
    101,323.20x = 10,914,438,935.33
  5. Step 5: Solve for x
    x = 10,914,438,935.33/101,323.20
  6. Step 6: Final answer
    x = 107,719.05

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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.