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Finding the Fourth Proportional to 101,588.48, 152,382.72 and 27,717.12

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Solution

The fourth proportional to 101,588.48, 152,382.72 and 27,717.12 is: 41,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,588.48 : 152,382.72 = 27,717.12 : x
  2. Step 2: Convert to fraction form
    101,588.48/152,382.72 = 27,717.12/x
  3. Step 3: Cross multiply
    101,588.48x = 152,382.72 × 27,717.12
  4. Step 4: Simplify right side
    101,588.48x = 4,223,610,136.17
  5. Step 5: Solve for x
    x = 4,223,610,136.17/101,588.48
  6. Step 6: Final answer
    x = 41,575.68

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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.