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Finding the Fourth Proportional to 108,137.82, 149,230.52 and 60,392.98

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Solution

The fourth proportional to 108,137.82, 149,230.52 and 60,392.98 is: 83,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,137.82 : 149,230.52 = 60,392.98 : x
  2. Step 2: Convert to fraction form
    108,137.82/149,230.52 = 60,392.98/x
  3. Step 3: Cross multiply
    108,137.82x = 149,230.52 × 60,392.98
  4. Step 4: Simplify right side
    108,137.82x = 9,012,475,809.75
  5. Step 5: Solve for x
    x = 9,012,475,809.75/108,137.82
  6. Step 6: Final answer
    x = 83,342.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.