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Finding the Fourth Proportional to 163,063.70, 244,595.55 and 140,513.30

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Solution

The fourth proportional to 163,063.70, 244,595.55 and 140,513.30 is: 210,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,063.70 : 244,595.55 = 140,513.30 : x
  2. Step 2: Convert to fraction form
    163,063.70/244,595.55 = 140,513.30/x
  3. Step 3: Cross multiply
    163,063.70x = 244,595.55 × 140,513.30
  4. Step 4: Simplify right side
    163,063.70x = 34,368,927,895.82
  5. Step 5: Solve for x
    x = 34,368,927,895.82/163,063.70
  6. Step 6: Final answer
    x = 210,769.95

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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.