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Finding the Fourth Proportional to 173,685.64, 239,669.78 and 97,184.20

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Solution

The fourth proportional to 173,685.64, 239,669.78 and 97,184.20 is: 134,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,685.64 : 239,669.78 = 97,184.20 : x
  2. Step 2: Convert to fraction form
    173,685.64/239,669.78 = 97,184.20/x
  3. Step 3: Cross multiply
    173,685.64x = 239,669.78 × 97,184.20
  4. Step 4: Simplify right side
    173,685.64x = 23,292,115,833.48
  5. Step 5: Solve for x
    x = 23,292,115,833.48/173,685.64
  6. Step 6: Final answer
    x = 134,105.02

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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.