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Finding the Fourth Proportional to 91,134.59, 125,765.88 and 50,297.77

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Solution

The fourth proportional to 91,134.59, 125,765.88 and 50,297.77 is: 69,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.59 : 125,765.88 = 50,297.77 : x
  2. Step 2: Convert to fraction form
    91,134.59/125,765.88 = 50,297.77/x
  3. Step 3: Cross multiply
    91,134.59x = 125,765.88 × 50,297.77
  4. Step 4: Simplify right side
    91,134.59x = 6,325,742,677.26
  5. Step 5: Solve for x
    x = 6,325,742,677.26/91,134.59
  6. Step 6: Final answer
    x = 69,411.00

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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.