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Finding the Fourth Proportional to 173,111.99, 259,301.66 and 109,898.57

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Solution

The fourth proportional to 173,111.99, 259,301.66 and 109,898.57 is: 164,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,111.99 : 259,301.66 = 109,898.57 : x
  2. Step 2: Convert to fraction form
    173,111.99/259,301.66 = 109,898.57/x
  3. Step 3: Cross multiply
    173,111.99x = 259,301.66 × 109,898.57
  4. Step 4: Simplify right side
    173,111.99x = 28,496,881,731.39
  5. Step 5: Solve for x
    x = 28,496,881,731.39/173,111.99
  6. Step 6: Final answer
    x = 164,615.30

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1.5x scale

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.