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Finding the Fourth Proportional to 88,562.79, 122,212.98 and 48,275.67

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Solution

The fourth proportional to 88,562.79, 122,212.98 and 48,275.67 is: 66,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,562.79 : 122,212.98 = 48,275.67 : x
  2. Step 2: Convert to fraction form
    88,562.79/122,212.98 = 48,275.67/x
  3. Step 3: Cross multiply
    88,562.79x = 122,212.98 × 48,275.67
  4. Step 4: Simplify right side
    88,562.79x = 5,899,913,492.20
  5. Step 5: Solve for x
    x = 5,899,913,492.20/88,562.79
  6. Step 6: Final answer
    x = 66,618.42

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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.