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Finding the Fourth Proportional to 113,710.94, 170,566.42 and 63,826.08

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Solution

The fourth proportional to 113,710.94, 170,566.42 and 63,826.08 is: 95,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,710.94 : 170,566.42 = 63,826.08 : x
  2. Step 2: Convert to fraction form
    113,710.94/170,566.42 = 63,826.08/x
  3. Step 3: Cross multiply
    113,710.94x = 170,566.42 × 63,826.08
  4. Step 4: Simplify right side
    113,710.94x = 10,886,586,248.15
  5. Step 5: Solve for x
    x = 10,886,586,248.15/113,710.94
  6. Step 6: Final answer
    x = 95,739.12

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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.