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Finding the Fourth Proportional to 173,690.46, 239,616.63 and 133,333.02

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Solution

The fourth proportional to 173,690.46, 239,616.63 and 133,333.02 is: 183,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,690.46 : 239,616.63 = 133,333.02 : x
  2. Step 2: Convert to fraction form
    173,690.46/239,616.63 = 133,333.02/x
  3. Step 3: Cross multiply
    173,690.46x = 239,616.63 × 133,333.02
  4. Step 4: Simplify right side
    173,690.46x = 31,948,808,920.12
  5. Step 5: Solve for x
    x = 31,948,808,920.12/173,690.46
  6. Step 6: Final answer
    x = 183,941.07

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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.