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Finding the Fourth Proportional to 168,130.32, 232,020.16 and 91,650.04

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Solution

The fourth proportional to 168,130.32, 232,020.16 and 91,650.04 is: 126,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,130.32 : 232,020.16 = 91,650.04 : x
  2. Step 2: Convert to fraction form
    168,130.32/232,020.16 = 91,650.04/x
  3. Step 3: Cross multiply
    168,130.32x = 232,020.16 × 91,650.04
  4. Step 4: Simplify right side
    168,130.32x = 21,264,656,944.81
  5. Step 5: Solve for x
    x = 21,264,656,944.81/168,130.32
  6. Step 6: Final answer
    x = 126,477.23

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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.