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Finding the Fourth Proportional to 162,807.30, 244,210.95 and 74,233.80

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Solution

The fourth proportional to 162,807.30, 244,210.95 and 74,233.80 is: 111,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,807.30 : 244,210.95 = 74,233.80 : x
  2. Step 2: Convert to fraction form
    162,807.30/244,210.95 = 74,233.80/x
  3. Step 3: Cross multiply
    162,807.30x = 244,210.95 × 74,233.80
  4. Step 4: Simplify right side
    162,807.30x = 18,128,706,820.11
  5. Step 5: Solve for x
    x = 18,128,706,820.11/162,807.30
  6. Step 6: Final answer
    x = 111,350.70

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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.