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Finding the Fourth Proportional to 98,925.62, 136,410.95 and 96,849.79

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Solution

The fourth proportional to 98,925.62, 136,410.95 and 96,849.79 is: 133,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925.62 : 136,410.95 = 96,849.79 : x
  2. Step 2: Convert to fraction form
    98,925.62/136,410.95 = 96,849.79/x
  3. Step 3: Cross multiply
    98,925.62x = 136,410.95 × 96,849.79
  4. Step 4: Simplify right side
    98,925.62x = 13,211,371,861.20
  5. Step 5: Solve for x
    x = 13,211,371,861.20/98,925.62
  6. Step 6: Final answer
    x = 133,548.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.