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Finding the Fourth Proportional to 517,088.66, 775,610.43 and 162,094.58

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Solution

The fourth proportional to 517,088.66, 775,610.43 and 162,094.58 is: 243,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,088.66 : 775,610.43 = 162,094.58 : x
  2. Step 2: Convert to fraction form
    517,088.66/775,610.43 = 162,094.58/x
  3. Step 3: Cross multiply
    517,088.66x = 775,610.43 × 162,094.58
  4. Step 4: Simplify right side
    517,088.66x = 125,722,246,894.47
  5. Step 5: Solve for x
    x = 125,722,246,894.47/517,088.66
  6. Step 6: Final answer
    x = 243,134.80

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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.