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Finding the Fourth Proportional to 168,412.48, 232,411.12 and 92,960.96

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Solution

The fourth proportional to 168,412.48, 232,411.12 and 92,960.96 is: 128,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,412.48 : 232,411.12 = 92,960.96 : x
  2. Step 2: Convert to fraction form
    168,412.48/232,411.12 = 92,960.96/x
  3. Step 3: Cross multiply
    168,412.48x = 232,411.12 × 92,960.96
  4. Step 4: Simplify right side
    168,412.48x = 21,605,160,829.88
  5. Step 5: Solve for x
    x = 21,605,160,829.88/168,412.48
  6. Step 6: Final answer
    x = 128,287.17

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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.