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Finding the Fourth Proportional to 169,483.32, 233,949.87 and 145,513.80

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Solution

The fourth proportional to 169,483.32, 233,949.87 and 145,513.80 is: 200,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,483.32 : 233,949.87 = 145,513.80 : x
  2. Step 2: Convert to fraction form
    169,483.32/233,949.87 = 145,513.80/x
  3. Step 3: Cross multiply
    169,483.32x = 233,949.87 × 145,513.80
  4. Step 4: Simplify right side
    169,483.32x = 34,042,934,593.21
  5. Step 5: Solve for x
    x = 34,042,934,593.21/169,483.32
  6. Step 6: Final answer
    x = 200,863.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.