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Finding the Fourth Proportional to 365,210.42, 547,840.38 and 112,475.30

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Solution

The fourth proportional to 365,210.42, 547,840.38 and 112,475.30 is: 168,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,210.42 : 547,840.38 = 112,475.30 : x
  2. Step 2: Convert to fraction form
    365,210.42/547,840.38 = 112,475.30/x
  3. Step 3: Cross multiply
    365,210.42x = 547,840.38 × 112,475.30
  4. Step 4: Simplify right side
    365,210.42x = 61,618,511,092.61
  5. Step 5: Solve for x
    x = 61,618,511,092.61/365,210.42
  6. Step 6: Final answer
    x = 168,720.57

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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.