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Finding the Fourth Proportional to 168,902.68, 233,085.36 and 93,451

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Solution

The fourth proportional to 168,902.68, 233,085.36 and 93,451 is: 128,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,902.68 : 233,085.36 = 93,451 : x
  2. Step 2: Convert to fraction form
    168,902.68/233,085.36 = 93,451/x
  3. Step 3: Cross multiply
    168,902.68x = 233,085.36 × 93,451
  4. Step 4: Simplify right side
    168,902.68x = 21,782,059,977.36
  5. Step 5: Solve for x
    x = 21,782,059,977.36/168,902.68
  6. Step 6: Final answer
    x = 128,962.19

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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.