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Finding the Fourth Proportional to 173,494, 239,421.84 and 94,006

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Solution

The fourth proportional to 173,494, 239,421.84 and 94,006 is: 129,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,494 : 239,421.84 = 94,006 : x
  2. Step 2: Convert to fraction form
    173,494/239,421.84 = 94,006/x
  3. Step 3: Cross multiply
    173,494x = 239,421.84 × 94,006
  4. Step 4: Simplify right side
    173,494x = 22,507,089,491.04
  5. Step 5: Solve for x
    x = 22,507,089,491.04/173,494
  6. Step 6: Final answer
    x = 129,728.35

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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.