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Finding the Fourth Proportional to 60,141.36, 90,088.80 and 33,790.80

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Solution

The fourth proportional to 60,141.36, 90,088.80 and 33,790.80 is: 50,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,141.36 : 90,088.80 = 33,790.80 : x
  2. Step 2: Convert to fraction form
    60,141.36/90,088.80 = 33,790.80/x
  3. Step 3: Cross multiply
    60,141.36x = 90,088.80 × 33,790.80
  4. Step 4: Simplify right side
    60,141.36x = 3,044,172,623.04
  5. Step 5: Solve for x
    x = 3,044,172,623.04/60,141.36
  6. Step 6: Final answer
    x = 50,616.96

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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.