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Finding the Fourth Proportional to 172,737.42, 259,085.49 and 60,409.02

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Solution

The fourth proportional to 172,737.42, 259,085.49 and 60,409.02 is: 90,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,737.42 : 259,085.49 = 60,409.02 : x
  2. Step 2: Convert to fraction form
    172,737.42/259,085.49 = 60,409.02/x
  3. Step 3: Cross multiply
    172,737.42x = 259,085.49 × 60,409.02
  4. Step 4: Simplify right side
    172,737.42x = 15,651,100,547.12
  5. Step 5: Solve for x
    x = 15,651,100,547.12/172,737.42
  6. Step 6: Final answer
    x = 90,606.31

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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.