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Finding the Fourth Proportional to 117,637.92, 162,349.92 and 67,340.16

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Solution

The fourth proportional to 117,637.92, 162,349.92 and 67,340.16 is: 92,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,637.92 : 162,349.92 = 67,340.16 : x
  2. Step 2: Convert to fraction form
    117,637.92/162,349.92 = 67,340.16/x
  3. Step 3: Cross multiply
    117,637.92x = 162,349.92 × 67,340.16
  4. Step 4: Simplify right side
    117,637.92x = 10,932,669,588.79
  5. Step 5: Solve for x
    x = 10,932,669,588.79/117,637.92
  6. Step 6: Final answer
    x = 92,934.91

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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.