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Finding the Fourth Proportional to 543,094.74, 814,697.55 and 188,108.10

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Solution

The fourth proportional to 543,094.74, 814,697.55 and 188,108.10 is: 282,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,094.74 : 814,697.55 = 188,108.10 : x
  2. Step 2: Convert to fraction form
    543,094.74/814,697.55 = 188,108.10/x
  3. Step 3: Cross multiply
    543,094.74x = 814,697.55 × 188,108.10
  4. Step 4: Simplify right side
    543,094.74x = 153,251,208,205.16
  5. Step 5: Solve for x
    x = 153,251,208,205.16/543,094.74
  6. Step 6: Final answer
    x = 282,181.35

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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.