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Finding the Fourth Proportional to 163,008.78, 244,465.77 and 63,146.70

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Solution

The fourth proportional to 163,008.78, 244,465.77 and 63,146.70 is: 94,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,008.78 : 244,465.77 = 63,146.70 : x
  2. Step 2: Convert to fraction form
    163,008.78/244,465.77 = 63,146.70/x
  3. Step 3: Cross multiply
    163,008.78x = 244,465.77 × 63,146.70
  4. Step 4: Simplify right side
    163,008.78x = 15,437,206,638.46
  5. Step 5: Solve for x
    x = 15,437,206,638.46/163,008.78
  6. Step 6: Final answer
    x = 94,701.69

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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.