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Finding the Fourth Proportional to 74,323.40, 111,312.30 and 50,822.60

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Solution

The fourth proportional to 74,323.40, 111,312.30 and 50,822.60 is: 76,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,323.40 : 111,312.30 = 50,822.60 : x
  2. Step 2: Convert to fraction form
    74,323.40/111,312.30 = 50,822.60/x
  3. Step 3: Cross multiply
    74,323.40x = 111,312.30 × 50,822.60
  4. Step 4: Simplify right side
    74,323.40x = 5,657,180,497.98
  5. Step 5: Solve for x
    x = 5,657,180,497.98/74,323.40
  6. Step 6: Final answer
    x = 76,115.74

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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.