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Finding the Fourth Proportional to 163,678.83, 245,528.63 and 51,363.48

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Solution

The fourth proportional to 163,678.83, 245,528.63 and 51,363.48 is: 77,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,678.83 : 245,528.63 = 51,363.48 : x
  2. Step 2: Convert to fraction form
    163,678.83/245,528.63 = 51,363.48/x
  3. Step 3: Cross multiply
    163,678.83x = 245,528.63 × 51,363.48
  4. Step 4: Simplify right side
    163,678.83x = 12,611,205,540.35
  5. Step 5: Solve for x
    x = 12,611,205,540.35/163,678.83
  6. Step 6: Final answer
    x = 77,048.48

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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.