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Finding the Fourth Proportional to 84,492.75, 116,600.10 and 52,661.63

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Solution

The fourth proportional to 84,492.75, 116,600.10 and 52,661.63 is: 72,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,492.75 : 116,600.10 = 52,661.63 : x
  2. Step 2: Convert to fraction form
    84,492.75/116,600.10 = 52,661.63/x
  3. Step 3: Cross multiply
    84,492.75x = 116,600.10 × 52,661.63
  4. Step 4: Simplify right side
    84,492.75x = 6,140,350,741.16
  5. Step 5: Solve for x
    x = 6,140,350,741.16/84,492.75
  6. Step 6: Final answer
    x = 72,673.11

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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.