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Finding the Fourth Proportional to 92,102.79, 138,160.56 and 35,924.22

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Solution

The fourth proportional to 92,102.79, 138,160.56 and 35,924.22 is: 53,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,102.79 : 138,160.56 = 35,924.22 : x
  2. Step 2: Convert to fraction form
    92,102.79/138,160.56 = 35,924.22/x
  3. Step 3: Cross multiply
    92,102.79x = 138,160.56 × 35,924.22
  4. Step 4: Simplify right side
    92,102.79x = 4,963,310,352.76
  5. Step 5: Solve for x
    x = 4,963,310,352.76/92,102.79
  6. Step 6: Final answer
    x = 53,888.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.