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Finding the Fourth Proportional to 168,473.84, 232,410 and 100,442.92

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Solution

The fourth proportional to 168,473.84, 232,410 and 100,442.92 is: 138,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,473.84 : 232,410 = 100,442.92 : x
  2. Step 2: Convert to fraction form
    168,473.84/232,410 = 100,442.92/x
  3. Step 3: Cross multiply
    168,473.84x = 232,410 × 100,442.92
  4. Step 4: Simplify right side
    168,473.84x = 23,343,939,037.20
  5. Step 5: Solve for x
    x = 23,343,939,037.20/168,473.84
  6. Step 6: Final answer
    x = 138,561.21

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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.