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Finding the Fourth Proportional to 74,750.94, 112,107.31 and 22,148.12

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Solution

The fourth proportional to 74,750.94, 112,107.31 and 22,148.12 is: 33,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750.94 : 112,107.31 = 22,148.12 : x
  2. Step 2: Convert to fraction form
    74,750.94/112,107.31 = 22,148.12/x
  3. Step 3: Cross multiply
    74,750.94x = 112,107.31 × 22,148.12
  4. Step 4: Simplify right side
    74,750.94x = 2,482,966,379.66
  5. Step 5: Solve for x
    x = 2,482,966,379.66/74,750.94
  6. Step 6: Final answer
    x = 33,216.52

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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.