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Finding the Fourth Proportional to 217,040.76, 325,536.12 and 59,281.92

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Solution

The fourth proportional to 217,040.76, 325,536.12 and 59,281.92 is: 88,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,040.76 : 325,536.12 = 59,281.92 : x
  2. Step 2: Convert to fraction form
    217,040.76/325,536.12 = 59,281.92/x
  3. Step 3: Cross multiply
    217,040.76x = 325,536.12 × 59,281.92
  4. Step 4: Simplify right side
    217,040.76x = 19,298,406,222.95
  5. Step 5: Solve for x
    x = 19,298,406,222.95/217,040.76
  6. Step 6: Final answer
    x = 88,916.05

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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.