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Finding the Fourth Proportional to 101,100.16, 151,585.36 and 41,976.64

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Solution

The fourth proportional to 101,100.16, 151,585.36 and 41,976.64 is: 62,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,100.16 : 151,585.36 = 41,976.64 : x
  2. Step 2: Convert to fraction form
    101,100.16/151,585.36 = 41,976.64/x
  3. Step 3: Cross multiply
    101,100.16x = 151,585.36 × 41,976.64
  4. Step 4: Simplify right side
    101,100.16x = 6,363,044,085.99
  5. Step 5: Solve for x
    x = 6,363,044,085.99/101,100.16
  6. Step 6: Final answer
    x = 62,938.02

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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.