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Finding the Fourth Proportional to 86,562.68, 119,459.58 and 50,261.40

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Solution

The fourth proportional to 86,562.68, 119,459.58 and 50,261.40 is: 69,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562.68 : 119,459.58 = 50,261.40 : x
  2. Step 2: Convert to fraction form
    86,562.68/119,459.58 = 50,261.40/x
  3. Step 3: Cross multiply
    86,562.68x = 119,459.58 × 50,261.40
  4. Step 4: Simplify right side
    86,562.68x = 6,004,205,734.21
  5. Step 5: Solve for x
    x = 6,004,205,734.21/86,562.68
  6. Step 6: Final answer
    x = 69,362.52

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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.