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Finding the Fourth Proportional to 167,547.69, 231,269.72 and 107,280.72

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Solution

The fourth proportional to 167,547.69, 231,269.72 and 107,280.72 is: 148,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,547.69 : 231,269.72 = 107,280.72 : x
  2. Step 2: Convert to fraction form
    167,547.69/231,269.72 = 107,280.72/x
  3. Step 3: Cross multiply
    167,547.69x = 231,269.72 × 107,280.72
  4. Step 4: Simplify right side
    167,547.69x = 24,810,781,539.39
  5. Step 5: Solve for x
    x = 24,810,781,539.39/167,547.69
  6. Step 6: Final answer
    x = 148,081.91

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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.