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Finding the Fourth Proportional to 88,630.51, 122,311.76 and 48,345.71

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Solution

The fourth proportional to 88,630.51, 122,311.76 and 48,345.71 is: 66,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,630.51 : 122,311.76 = 48,345.71 : x
  2. Step 2: Convert to fraction form
    88,630.51/122,311.76 = 48,345.71/x
  3. Step 3: Cross multiply
    88,630.51x = 122,311.76 × 48,345.71
  4. Step 4: Simplify right side
    88,630.51x = 5,913,248,266.99
  5. Step 5: Solve for x
    x = 5,913,248,266.99/88,630.51
  6. Step 6: Final answer
    x = 66,717.98

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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.