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Finding the Fourth Proportional to 104,592.72, 144,339.08 and 56,846.08

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Solution

The fourth proportional to 104,592.72, 144,339.08 and 56,846.08 is: 78,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,592.72 : 144,339.08 = 56,846.08 : x
  2. Step 2: Convert to fraction form
    104,592.72/144,339.08 = 56,846.08/x
  3. Step 3: Cross multiply
    104,592.72x = 144,339.08 × 56,846.08
  4. Step 4: Simplify right side
    104,592.72x = 8,205,110,167.11
  5. Step 5: Solve for x
    x = 8,205,110,167.11/104,592.72
  6. Step 6: Final answer
    x = 78,448.20

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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.