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Finding the Fourth Proportional to 73,810.62, 101,905.02 and 51,141.15

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Solution

The fourth proportional to 73,810.62, 101,905.02 and 51,141.15 is: 70,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,810.62 : 101,905.02 = 51,141.15 : x
  2. Step 2: Convert to fraction form
    73,810.62/101,905.02 = 51,141.15/x
  3. Step 3: Cross multiply
    73,810.62x = 101,905.02 × 51,141.15
  4. Step 4: Simplify right side
    73,810.62x = 5,211,539,913.57
  5. Step 5: Solve for x
    x = 5,211,539,913.57/73,810.62
  6. Step 6: Final answer
    x = 70,606.91

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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.