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Finding the Fourth Proportional to 163,808.82, 245,713.01 and 51,498.84

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Solution

The fourth proportional to 163,808.82, 245,713.01 and 51,498.84 is: 77,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,808.82 : 245,713.01 = 51,498.84 : x
  2. Step 2: Convert to fraction form
    163,808.82/245,713.01 = 51,498.84/x
  3. Step 3: Cross multiply
    163,808.82x = 245,713.01 × 51,498.84
  4. Step 4: Simplify right side
    163,808.82x = 12,653,934,987.91
  5. Step 5: Solve for x
    x = 12,653,934,987.91/163,808.82
  6. Step 6: Final answer
    x = 77,248.19

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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.