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Finding the Fourth Proportional to 132,459.42, 182,798.81 and 75,881.73

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Solution

The fourth proportional to 132,459.42, 182,798.81 and 75,881.73 is: 104,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,459.42 : 182,798.81 = 75,881.73 : x
  2. Step 2: Convert to fraction form
    132,459.42/182,798.81 = 75,881.73/x
  3. Step 3: Cross multiply
    132,459.42x = 182,798.81 × 75,881.73
  4. Step 4: Simplify right side
    132,459.42x = 13,871,090,934.19
  5. Step 5: Solve for x
    x = 13,871,090,934.19/132,459.42
  6. Step 6: Final answer
    x = 104,719.55

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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.