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Finding the Fourth Proportional to 213,365.68, 320,141.88 and 101,126.04

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Solution

The fourth proportional to 213,365.68, 320,141.88 and 101,126.04 is: 151,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,365.68 : 320,141.88 = 101,126.04 : x
  2. Step 2: Convert to fraction form
    213,365.68/320,141.88 = 101,126.04/x
  3. Step 3: Cross multiply
    213,365.68x = 320,141.88 × 101,126.04
  4. Step 4: Simplify right side
    213,365.68x = 32,374,680,562.56
  5. Step 5: Solve for x
    x = 32,374,680,562.56/213,365.68
  6. Step 6: Final answer
    x = 151,733.31

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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.