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Finding the Fourth Proportional to 106,293.49, 159,459.85 and 43,968.85

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Solution

The fourth proportional to 106,293.49, 159,459.85 and 43,968.85 is: 65,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,293.49 : 159,459.85 = 43,968.85 : x
  2. Step 2: Convert to fraction form
    106,293.49/159,459.85 = 43,968.85/x
  3. Step 3: Cross multiply
    106,293.49x = 159,459.85 × 43,968.85
  4. Step 4: Simplify right side
    106,293.49x = 7,011,266,225.67
  5. Step 5: Solve for x
    x = 7,011,266,225.67/106,293.49
  6. Step 6: Final answer
    x = 65,961.39

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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.