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Finding the Fourth Proportional to 173,606.59, 260,323.74 and 55,262.55

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Solution

The fourth proportional to 173,606.59, 260,323.74 and 55,262.55 is: 82,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,606.59 : 260,323.74 = 55,262.55 : x
  2. Step 2: Convert to fraction form
    173,606.59/260,323.74 = 55,262.55/x
  3. Step 3: Cross multiply
    173,606.59x = 260,323.74 × 55,262.55
  4. Step 4: Simplify right side
    173,606.59x = 14,386,152,396.32
  5. Step 5: Solve for x
    x = 14,386,152,396.32/173,606.59
  6. Step 6: Final answer
    x = 82,866.40

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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.