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Finding the Fourth Proportional to 110,572.77, 152,469.84 and 74,700.50

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Solution

The fourth proportional to 110,572.77, 152,469.84 and 74,700.50 is: 103,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,572.77 : 152,469.84 = 74,700.50 : x
  2. Step 2: Convert to fraction form
    110,572.77/152,469.84 = 74,700.50/x
  3. Step 3: Cross multiply
    110,572.77x = 152,469.84 × 74,700.50
  4. Step 4: Simplify right side
    110,572.77x = 11,389,573,282.92
  5. Step 5: Solve for x
    x = 11,389,573,282.92/110,572.77
  6. Step 6: Final answer
    x = 103,005.23

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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.