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Finding the Fourth Proportional to 163,302.90, 244,983.05 and 74,565.37

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Solution

The fourth proportional to 163,302.90, 244,983.05 and 74,565.37 is: 111,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,302.90 : 244,983.05 = 74,565.37 : x
  2. Step 2: Convert to fraction form
    163,302.90/244,983.05 = 74,565.37/x
  3. Step 3: Cross multiply
    163,302.90x = 244,983.05 × 74,565.37
  4. Step 4: Simplify right side
    163,302.90x = 18,267,251,980.00
  5. Step 5: Solve for x
    x = 18,267,251,980.00/163,302.90
  6. Step 6: Final answer
    x = 111,861.16

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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.