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Finding the Fourth Proportional to 173,628, 260,441.37 and 55,308.87

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Solution

The fourth proportional to 173,628, 260,441.37 and 55,308.87 is: 82,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,628 : 260,441.37 = 55,308.87 : x
  2. Step 2: Convert to fraction form
    173,628/260,441.37 = 55,308.87/x
  3. Step 3: Cross multiply
    173,628x = 260,441.37 × 55,308.87
  4. Step 4: Simplify right side
    173,628x = 14,404,717,875.95
  5. Step 5: Solve for x
    x = 14,404,717,875.95/173,628
  6. Step 6: Final answer
    x = 82,963.10

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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.