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Finding the Fourth Proportional to 68,879.63, 95,058.14 and 45,870.00

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Solution

The fourth proportional to 68,879.63, 95,058.14 and 45,870.00 is: 63,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,879.63 : 95,058.14 = 45,870.00 : x
  2. Step 2: Convert to fraction form
    68,879.63/95,058.14 = 45,870.00/x
  3. Step 3: Cross multiply
    68,879.63x = 95,058.14 × 45,870.00
  4. Step 4: Simplify right side
    68,879.63x = 4,360,316,554.00
  5. Step 5: Solve for x
    x = 4,360,316,554.00/68,879.63
  6. Step 6: Final answer
    x = 63,303.42

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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.