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Finding the Fourth Proportional to 69,337.80, 104,006.70 and 60,784.20

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Solution

The fourth proportional to 69,337.80, 104,006.70 and 60,784.20 is: 91,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,337.80 : 104,006.70 = 60,784.20 : x
  2. Step 2: Convert to fraction form
    69,337.80/104,006.70 = 60,784.20/x
  3. Step 3: Cross multiply
    69,337.80x = 104,006.70 × 60,784.20
  4. Step 4: Simplify right side
    69,337.80x = 6,321,964,054.14
  5. Step 5: Solve for x
    x = 6,321,964,054.14/69,337.80
  6. Step 6: Final answer
    x = 91,176.30

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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.