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Finding the Fourth Proportional to 69,557.80, 104,336.70 and 59,060.20

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Solution

The fourth proportional to 69,557.80, 104,336.70 and 59,060.20 is: 88,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557.80 : 104,336.70 = 59,060.20 : x
  2. Step 2: Convert to fraction form
    69,557.80/104,336.70 = 59,060.20/x
  3. Step 3: Cross multiply
    69,557.80x = 104,336.70 × 59,060.20
  4. Step 4: Simplify right side
    69,557.80x = 6,162,146,369.34
  5. Step 5: Solve for x
    x = 6,162,146,369.34/69,557.80
  6. Step 6: Final answer
    x = 88,590.30

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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.