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Finding the Fourth Proportional to 599,687.06, 899,398.10 and 173,130.23

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Solution

The fourth proportional to 599,687.06, 899,398.10 and 173,130.23 is: 259,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,687.06 : 899,398.10 = 173,130.23 : x
  2. Step 2: Convert to fraction form
    599,687.06/899,398.10 = 173,130.23/x
  3. Step 3: Cross multiply
    599,687.06x = 899,398.10 × 173,130.23
  4. Step 4: Simplify right side
    599,687.06x = 155,712,995,417.57
  5. Step 5: Solve for x
    x = 155,712,995,417.57/599,687.06
  6. Step 6: Final answer
    x = 259,657.09

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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.