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Finding the Fourth Proportional to 73,838.54, 101,897.19 and 40,304.54

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Solution

The fourth proportional to 73,838.54, 101,897.19 and 40,304.54 is: 55,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,838.54 : 101,897.19 = 40,304.54 : x
  2. Step 2: Convert to fraction form
    73,838.54/101,897.19 = 40,304.54/x
  3. Step 3: Cross multiply
    73,838.54x = 101,897.19 × 40,304.54
  4. Step 4: Simplify right side
    73,838.54x = 4,106,919,624.99
  5. Step 5: Solve for x
    x = 4,106,919,624.99/73,838.54
  6. Step 6: Final answer
    x = 55,620.27

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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.