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Finding the Fourth Proportional to 247,671.72, 371,503.58 and 97,913.40

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Solution

The fourth proportional to 247,671.72, 371,503.58 and 97,913.40 is: 146,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,671.72 : 371,503.58 = 97,913.40 : x
  2. Step 2: Convert to fraction form
    247,671.72/371,503.58 = 97,913.40/x
  3. Step 3: Cross multiply
    247,671.72x = 371,503.58 × 97,913.40
  4. Step 4: Simplify right side
    247,671.72x = 36,375,178,140.41
  5. Step 5: Solve for x
    x = 36,375,178,140.41/247,671.72
  6. Step 6: Final answer
    x = 146,868.52

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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.