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Finding the Fourth Proportional to 83,392.93, 115,035.55 and 49,368.22

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Solution

The fourth proportional to 83,392.93, 115,035.55 and 49,368.22 is: 68,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,392.93 : 115,035.55 = 49,368.22 : x
  2. Step 2: Convert to fraction form
    83,392.93/115,035.55 = 49,368.22/x
  3. Step 3: Cross multiply
    83,392.93x = 115,035.55 × 49,368.22
  4. Step 4: Simplify right side
    83,392.93x = 5,679,100,340.22
  5. Step 5: Solve for x
    x = 5,679,100,340.22/83,392.93
  6. Step 6: Final answer
    x = 68,100.50

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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.