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Finding the Fourth Proportional to 173,266.10, 259,899.15 and 155,551.40

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Solution

The fourth proportional to 173,266.10, 259,899.15 and 155,551.40 is: 233,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,266.10 : 259,899.15 = 155,551.40 : x
  2. Step 2: Convert to fraction form
    173,266.10/259,899.15 = 155,551.40/x
  3. Step 3: Cross multiply
    173,266.10x = 259,899.15 × 155,551.40
  4. Step 4: Simplify right side
    173,266.10x = 40,427,676,641.31
  5. Step 5: Solve for x
    x = 40,427,676,641.31/173,266.10
  6. Step 6: Final answer
    x = 233,327.10

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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.