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Finding the Fourth Proportional to 107,999.10, 161,707.05 and 107,999.10

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Solution

The fourth proportional to 107,999.10, 161,707.05 and 107,999.10 is: 161,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,999.10 : 161,707.05 = 107,999.10 : x
  2. Step 2: Convert to fraction form
    107,999.10/161,707.05 = 107,999.10/x
  3. Step 3: Cross multiply
    107,999.10x = 161,707.05 × 107,999.10
  4. Step 4: Simplify right side
    107,999.10x = 17,464,215,863.66
  5. Step 5: Solve for x
    x = 17,464,215,863.66/107,999.10
  6. Step 6: Final answer
    x = 161,707.05

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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.