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Finding the Fourth Proportional to 173,664.01, 260,491.15 and 55,342.45

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Solution

The fourth proportional to 173,664.01, 260,491.15 and 55,342.45 is: 83,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,664.01 : 260,491.15 = 55,342.45 : x
  2. Step 2: Convert to fraction form
    173,664.01/260,491.15 = 55,342.45/x
  3. Step 3: Cross multiply
    173,664.01x = 260,491.15 × 55,342.45
  4. Step 4: Simplify right side
    173,664.01x = 14,416,218,444.32
  5. Step 5: Solve for x
    x = 14,416,218,444.32/173,664.01
  6. Step 6: Final answer
    x = 83,012.12

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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.