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Finding the Fourth Proportional to 162,805.70, 244,208.55 and 74,232.20

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Solution

The fourth proportional to 162,805.70, 244,208.55 and 74,232.20 is: 111,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,805.70 : 244,208.55 = 74,232.20 : x
  2. Step 2: Convert to fraction form
    162,805.70/244,208.55 = 74,232.20/x
  3. Step 3: Cross multiply
    162,805.70x = 244,208.55 × 74,232.20
  4. Step 4: Simplify right side
    162,805.70x = 18,128,137,925.31
  5. Step 5: Solve for x
    x = 18,128,137,925.31/162,805.70
  6. Step 6: Final answer
    x = 111,348.30

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1.5x scale

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.