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Finding the Fourth Proportional to 98,956.76, 148,455.95 and 32,391.72

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Solution

The fourth proportional to 98,956.76, 148,455.95 and 32,391.72 is: 48,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,956.76 : 148,455.95 = 32,391.72 : x
  2. Step 2: Convert to fraction form
    98,956.76/148,455.95 = 32,391.72/x
  3. Step 3: Cross multiply
    98,956.76x = 148,455.95 × 32,391.72
  4. Step 4: Simplify right side
    98,956.76x = 4,808,743,402.78
  5. Step 5: Solve for x
    x = 4,808,743,402.78/98,956.76
  6. Step 6: Final answer
    x = 48,594.39

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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.