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Finding the Fourth Proportional to 92,937.78, 140,106.92 and 86,924.34

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Solution

The fourth proportional to 92,937.78, 140,106.92 and 86,924.34 is: 131,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,937.78 : 140,106.92 = 86,924.34 : x
  2. Step 2: Convert to fraction form
    92,937.78/140,106.92 = 86,924.34/x
  3. Step 3: Cross multiply
    92,937.78x = 140,106.92 × 86,924.34
  4. Step 4: Simplify right side
    92,937.78x = 12,178,701,115.81
  5. Step 5: Solve for x
    x = 12,178,701,115.81/92,937.78
  6. Step 6: Final answer
    x = 131,041.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.