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Finding the Fourth Proportional to 68,580.08, 94,681.80 and 44,748.08

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Solution

The fourth proportional to 68,580.08, 94,681.80 and 44,748.08 is: 61,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,580.08 : 94,681.80 = 44,748.08 : x
  2. Step 2: Convert to fraction form
    68,580.08/94,681.80 = 44,748.08/x
  3. Step 3: Cross multiply
    68,580.08x = 94,681.80 × 44,748.08
  4. Step 4: Simplify right side
    68,580.08x = 4,236,828,760.94
  5. Step 5: Solve for x
    x = 4,236,828,760.94/68,580.08
  6. Step 6: Final answer
    x = 61,779.29

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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.