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Finding the Fourth Proportional to 365,061.13, 547,611.03 and 112,515.08

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Solution

The fourth proportional to 365,061.13, 547,611.03 and 112,515.08 is: 168,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,061.13 : 547,611.03 = 112,515.08 : x
  2. Step 2: Convert to fraction form
    365,061.13/547,611.03 = 112,515.08/x
  3. Step 3: Cross multiply
    365,061.13x = 547,611.03 × 112,515.08
  4. Step 4: Simplify right side
    365,061.13x = 61,614,496,111.28
  5. Step 5: Solve for x
    x = 61,614,496,111.28/365,061.13
  6. Step 6: Final answer
    x = 168,778.57

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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.