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Finding the Fourth Proportional to 235,484.21, 353,176.88 and 77,675.69

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Solution

The fourth proportional to 235,484.21, 353,176.88 and 77,675.69 is: 116,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,484.21 : 353,176.88 = 77,675.69 : x
  2. Step 2: Convert to fraction form
    235,484.21/353,176.88 = 77,675.69/x
  3. Step 3: Cross multiply
    235,484.21x = 353,176.88 × 77,675.69
  4. Step 4: Simplify right side
    235,484.21x = 27,433,258,340.61
  5. Step 5: Solve for x
    x = 27,433,258,340.61/235,484.21
  6. Step 6: Final answer
    x = 116,497.23

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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.