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Finding the Fourth Proportional to 72,853.70, 100,222.02 and 59,395.46

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Solution

The fourth proportional to 72,853.70, 100,222.02 and 59,395.46 is: 81,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,853.70 : 100,222.02 = 59,395.46 : x
  2. Step 2: Convert to fraction form
    72,853.70/100,222.02 = 59,395.46/x
  3. Step 3: Cross multiply
    72,853.70x = 100,222.02 × 59,395.46
  4. Step 4: Simplify right side
    72,853.70x = 5,952,732,980.03
  5. Step 5: Solve for x
    x = 5,952,732,980.03/72,853.70
  6. Step 6: Final answer
    x = 81,708.04

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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.