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Finding the Fourth Proportional to 251,557, 377,106.39 and 161,624.15

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Solution

The fourth proportional to 251,557, 377,106.39 and 161,624.15 is: 242,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,557 : 377,106.39 = 161,624.15 : x
  2. Step 2: Convert to fraction form
    251,557/377,106.39 = 161,624.15/x
  3. Step 3: Cross multiply
    251,557x = 377,106.39 × 161,624.15
  4. Step 4: Simplify right side
    251,557x = 60,949,499,743.32
  5. Step 5: Solve for x
    x = 60,949,499,743.32/251,557
  6. Step 6: Final answer
    x = 242,289.02

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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.