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Finding the Fourth Proportional to 108,242.40, 162,334.80 and 33,362.40

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Solution

The fourth proportional to 108,242.40, 162,334.80 and 33,362.40 is: 50,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,242.40 : 162,334.80 = 33,362.40 : x
  2. Step 2: Convert to fraction form
    108,242.40/162,334.80 = 33,362.40/x
  3. Step 3: Cross multiply
    108,242.40x = 162,334.80 × 33,362.40
  4. Step 4: Simplify right side
    108,242.40x = 5,415,878,531.52
  5. Step 5: Solve for x
    x = 5,415,878,531.52/108,242.40
  6. Step 6: Final answer
    x = 50,034.72

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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.