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Finding the Fourth Proportional to 173,288.59, 239,038.49 and 104,330.12

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Solution

The fourth proportional to 173,288.59, 239,038.49 and 104,330.12 is: 143,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288.59 : 239,038.49 = 104,330.12 : x
  2. Step 2: Convert to fraction form
    173,288.59/239,038.49 = 104,330.12/x
  3. Step 3: Cross multiply
    173,288.59x = 239,038.49 × 104,330.12
  4. Step 4: Simplify right side
    173,288.59x = 24,938,914,346.32
  5. Step 5: Solve for x
    x = 24,938,914,346.32/173,288.59
  6. Step 6: Final answer
    x = 143,915.50

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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.