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Finding the Fourth Proportional to 95,354, 131,554.50 and 59,530.40

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Solution

The fourth proportional to 95,354, 131,554.50 and 59,530.40 is: 82,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,354 : 131,554.50 = 59,530.40 : x
  2. Step 2: Convert to fraction form
    95,354/131,554.50 = 59,530.40/x
  3. Step 3: Cross multiply
    95,354x = 131,554.50 × 59,530.40
  4. Step 4: Simplify right side
    95,354x = 7,831,492,006.80
  5. Step 5: Solve for x
    x = 7,831,492,006.80/95,354
  6. Step 6: Final answer
    x = 82,130.71

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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.