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Finding the Fourth Proportional to 91,152.77, 125,790.59 and 50,866.10

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Solution

The fourth proportional to 91,152.77, 125,790.59 and 50,866.10 is: 70,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,152.77 : 125,790.59 = 50,866.10 : x
  2. Step 2: Convert to fraction form
    91,152.77/125,790.59 = 50,866.10/x
  3. Step 3: Cross multiply
    91,152.77x = 125,790.59 × 50,866.10
  4. Step 4: Simplify right side
    91,152.77x = 6,398,476,475.67
  5. Step 5: Solve for x
    x = 6,398,476,475.67/91,152.77
  6. Step 6: Final answer
    x = 70,195.09

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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.