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Finding the Fourth Proportional to 100,569.52, 150,851.92 and 50,636.16

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Solution

The fourth proportional to 100,569.52, 150,851.92 and 50,636.16 is: 75,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,569.52 : 150,851.92 = 50,636.16 : x
  2. Step 2: Convert to fraction form
    100,569.52/150,851.92 = 50,636.16/x
  3. Step 3: Cross multiply
    100,569.52x = 150,851.92 × 50,636.16
  4. Step 4: Simplify right side
    100,569.52x = 7,638,561,957.43
  5. Step 5: Solve for x
    x = 7,638,561,957.43/100,569.52
  6. Step 6: Final answer
    x = 75,953.05

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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.