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Finding the Fourth Proportional to 108,641.60, 162,965.80 and 33,762.12

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Solution

The fourth proportional to 108,641.60, 162,965.80 and 33,762.12 is: 50,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,641.60 : 162,965.80 = 33,762.12 : x
  2. Step 2: Convert to fraction form
    108,641.60/162,965.80 = 33,762.12/x
  3. Step 3: Cross multiply
    108,641.60x = 162,965.80 × 33,762.12
  4. Step 4: Simplify right side
    108,641.60x = 5,502,070,895.50
  5. Step 5: Solve for x
    x = 5,502,070,895.50/108,641.60
  6. Step 6: Final answer
    x = 50,644.24

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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.