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Finding the Fourth Proportional to 108,009.96, 162,014.44 and 29,132.16

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Solution

The fourth proportional to 108,009.96, 162,014.44 and 29,132.16 is: 43,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009.96 : 162,014.44 = 29,132.16 : x
  2. Step 2: Convert to fraction form
    108,009.96/162,014.44 = 29,132.16/x
  3. Step 3: Cross multiply
    108,009.96x = 162,014.44 × 29,132.16
  4. Step 4: Simplify right side
    108,009.96x = 4,719,830,588.39
  5. Step 5: Solve for x
    x = 4,719,830,588.39/108,009.96
  6. Step 6: Final answer
    x = 43,698.11

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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.