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Finding the Fourth Proportional to 72,927.22, 109,281.48 and 56,262.28

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Solution

The fourth proportional to 72,927.22, 109,281.48 and 56,262.28 is: 84,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.22 : 109,281.48 = 56,262.28 : x
  2. Step 2: Convert to fraction form
    72,927.22/109,281.48 = 56,262.28/x
  3. Step 3: Cross multiply
    72,927.22x = 109,281.48 × 56,262.28
  4. Step 4: Simplify right side
    72,927.22x = 6,148,425,226.57
  5. Step 5: Solve for x
    x = 6,148,425,226.57/72,927.22
  6. Step 6: Final answer
    x = 84,309.06

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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.