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Finding the Fourth Proportional to 91,253.81, 125,929.98 and 50,967.59

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Solution

The fourth proportional to 91,253.81, 125,929.98 and 50,967.59 is: 70,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,253.81 : 125,929.98 = 50,967.59 : x
  2. Step 2: Convert to fraction form
    91,253.81/125,929.98 = 50,967.59/x
  3. Step 3: Cross multiply
    91,253.81x = 125,929.98 × 50,967.59
  4. Step 4: Simplify right side
    91,253.81x = 6,418,346,959.70
  5. Step 5: Solve for x
    x = 6,418,346,959.70/91,253.81
  6. Step 6: Final answer
    x = 70,335.11

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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.