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Finding the Fourth Proportional to 167,342.81, 230,909.85 and 98,435.40

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Solution

The fourth proportional to 167,342.81, 230,909.85 and 98,435.40 is: 135,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,342.81 : 230,909.85 = 98,435.40 : x
  2. Step 2: Convert to fraction form
    167,342.81/230,909.85 = 98,435.40/x
  3. Step 3: Cross multiply
    167,342.81x = 230,909.85 × 98,435.40
  4. Step 4: Simplify right side
    167,342.81x = 22,729,702,956.51
  5. Step 5: Solve for x
    x = 22,729,702,956.51/167,342.81
  6. Step 6: Final answer
    x = 135,827.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.