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Finding the Fourth Proportional to 101,168.60, 151,674.32 and 65,554.65

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Solution

The fourth proportional to 101,168.60, 151,674.32 and 65,554.65 is: 98,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,168.60 : 151,674.32 = 65,554.65 : x
  2. Step 2: Convert to fraction form
    101,168.60/151,674.32 = 65,554.65/x
  3. Step 3: Cross multiply
    101,168.60x = 151,674.32 × 65,554.65
  4. Step 4: Simplify right side
    101,168.60x = 9,942,957,125.47
  5. Step 5: Solve for x
    x = 9,942,957,125.47/101,168.60
  6. Step 6: Final answer
    x = 98,281.06

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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.