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Finding the Fourth Proportional to 86,710.08, 119,659.76 and 46,966.08

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Solution

The fourth proportional to 86,710.08, 119,659.76 and 46,966.08 is: 64,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.08 : 119,659.76 = 46,966.08 : x
  2. Step 2: Convert to fraction form
    86,710.08/119,659.76 = 46,966.08/x
  3. Step 3: Cross multiply
    86,710.08x = 119,659.76 × 46,966.08
  4. Step 4: Simplify right side
    86,710.08x = 5,619,949,860.94
  5. Step 5: Solve for x
    x = 5,619,949,860.94/86,710.08
  6. Step 6: Final answer
    x = 64,813.11

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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.