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Finding the Fourth Proportional to 79,732.33, 119,598.66 and 74,860.79

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Solution

The fourth proportional to 79,732.33, 119,598.66 and 74,860.79 is: 112,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,732.33 : 119,598.66 = 74,860.79 : x
  2. Step 2: Convert to fraction form
    79,732.33/119,598.66 = 74,860.79/x
  3. Step 3: Cross multiply
    79,732.33x = 119,598.66 × 74,860.79
  4. Step 4: Simplify right side
    79,732.33x = 8,953,249,572.55
  5. Step 5: Solve for x
    x = 8,953,249,572.55/79,732.33
  6. Step 6: Final answer
    x = 112,291.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.