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Finding the Fourth Proportional to 73,407.66, 101,311.07 and 68,903.82

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Solution

The fourth proportional to 73,407.66, 101,311.07 and 68,903.82 is: 95,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,407.66 : 101,311.07 = 68,903.82 : x
  2. Step 2: Convert to fraction form
    73,407.66/101,311.07 = 68,903.82/x
  3. Step 3: Cross multiply
    73,407.66x = 101,311.07 × 68,903.82
  4. Step 4: Simplify right side
    73,407.66x = 6,980,719,731.29
  5. Step 5: Solve for x
    x = 6,980,719,731.29/73,407.66
  6. Step 6: Final answer
    x = 95,095.25

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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.