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Finding the Fourth Proportional to 114,894.84, 172,372.62 and 52,550.76

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Solution

The fourth proportional to 114,894.84, 172,372.62 and 52,550.76 is: 78,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,894.84 : 172,372.62 = 52,550.76 : x
  2. Step 2: Convert to fraction form
    114,894.84/172,372.62 = 52,550.76/x
  3. Step 3: Cross multiply
    114,894.84x = 172,372.62 × 52,550.76
  4. Step 4: Simplify right side
    114,894.84x = 9,058,312,184.19
  5. Step 5: Solve for x
    x = 9,058,312,184.19/114,894.84
  6. Step 6: Final answer
    x = 78,840.03

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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.