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Finding the Fourth Proportional to 101,588.80, 141,874.40 and 101,588.80

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Solution

The fourth proportional to 101,588.80, 141,874.40 and 101,588.80 is: 141,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,588.80 : 141,874.40 = 101,588.80 : x
  2. Step 2: Convert to fraction form
    101,588.80/141,874.40 = 101,588.80/x
  3. Step 3: Cross multiply
    101,588.80x = 141,874.40 × 101,588.80
  4. Step 4: Simplify right side
    101,588.80x = 14,412,850,046.72
  5. Step 5: Solve for x
    x = 14,412,850,046.72/101,588.80
  6. Step 6: Final answer
    x = 141,874.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.