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Finding the Fourth Proportional to 94,605.51, 141,624.90 and 91,240.92

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Solution

The fourth proportional to 94,605.51, 141,624.90 and 91,240.92 is: 136,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,605.51 : 141,624.90 = 91,240.92 : x
  2. Step 2: Convert to fraction form
    94,605.51/141,624.90 = 91,240.92/x
  3. Step 3: Cross multiply
    94,605.51x = 141,624.90 × 91,240.92
  4. Step 4: Simplify right side
    94,605.51x = 12,921,986,170.91
  5. Step 5: Solve for x
    x = 12,921,986,170.91/94,605.51
  6. Step 6: Final answer
    x = 136,588.09

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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.