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Finding the Fourth Proportional to 163,602.16, 245,396.10 and 51,279.82

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Solution

The fourth proportional to 163,602.16, 245,396.10 and 51,279.82 is: 76,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.16 : 245,396.10 = 51,279.82 : x
  2. Step 2: Convert to fraction form
    163,602.16/245,396.10 = 51,279.82/x
  3. Step 3: Cross multiply
    163,602.16x = 245,396.10 × 51,279.82
  4. Step 4: Simplify right side
    163,602.16x = 12,583,866,737.92
  5. Step 5: Solve for x
    x = 12,583,866,737.92/163,602.16
  6. Step 6: Final answer
    x = 76,917.49

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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.