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Finding the Fourth Proportional to 173,566.86, 239,514.91 and 100,969.93

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Solution

The fourth proportional to 173,566.86, 239,514.91 and 100,969.93 is: 139,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,566.86 : 239,514.91 = 100,969.93 : x
  2. Step 2: Convert to fraction form
    173,566.86/239,514.91 = 100,969.93/x
  3. Step 3: Cross multiply
    173,566.86x = 239,514.91 × 100,969.93
  4. Step 4: Simplify right side
    173,566.86x = 24,183,803,191.81
  5. Step 5: Solve for x
    x = 24,183,803,191.81/173,566.86
  6. Step 6: Final answer
    x = 139,334.22

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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.