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Finding the Fourth Proportional to 95,547.96, 131,554.96 and 86,690.60

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Solution

The fourth proportional to 95,547.96, 131,554.96 and 86,690.60 is: 119,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,547.96 : 131,554.96 = 86,690.60 : x
  2. Step 2: Convert to fraction form
    95,547.96/131,554.96 = 86,690.60/x
  3. Step 3: Cross multiply
    95,547.96x = 131,554.96 × 86,690.60
  4. Step 4: Simplify right side
    95,547.96x = 11,404,578,415.38
  5. Step 5: Solve for x
    x = 11,404,578,415.38/95,547.96
  6. Step 6: Final answer
    x = 119,359.73

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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.