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Finding the Fourth Proportional to 108,173.64, 162,259.74 and 29,287.56

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Solution

The fourth proportional to 108,173.64, 162,259.74 and 29,287.56 is: 43,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,173.64 : 162,259.74 = 29,287.56 : x
  2. Step 2: Convert to fraction form
    108,173.64/162,259.74 = 29,287.56/x
  3. Step 3: Cross multiply
    108,173.64x = 162,259.74 × 29,287.56
  4. Step 4: Simplify right side
    108,173.64x = 4,752,191,870.83
  5. Step 5: Solve for x
    x = 4,752,191,870.83/108,173.64
  6. Step 6: Final answer
    x = 43,931.15

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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.