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Finding the Fourth Proportional to 74,063.99, 111,095.98 and 40,766.91

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Solution

The fourth proportional to 74,063.99, 111,095.98 and 40,766.91 is: 61,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063.99 : 111,095.98 = 40,766.91 : x
  2. Step 2: Convert to fraction form
    74,063.99/111,095.98 = 40,766.91/x
  3. Step 3: Cross multiply
    74,063.99x = 111,095.98 × 40,766.91
  4. Step 4: Simplify right side
    74,063.99x = 4,529,039,818.02
  5. Step 5: Solve for x
    x = 4,529,039,818.02/74,063.99
  6. Step 6: Final answer
    x = 61,150.36

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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.