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Finding the Fourth Proportional to 251,376.32, 377,337.72 and 101,719.64

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Solution

The fourth proportional to 251,376.32, 377,337.72 and 101,719.64 is: 152,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,376.32 : 377,337.72 = 101,719.64 : x
  2. Step 2: Convert to fraction form
    251,376.32/377,337.72 = 101,719.64/x
  3. Step 3: Cross multiply
    251,376.32x = 377,337.72 × 101,719.64
  4. Step 4: Simplify right side
    251,376.32x = 38,382,657,036.82
  5. Step 5: Solve for x
    x = 38,382,657,036.82/251,376.32
  6. Step 6: Final answer
    x = 152,690.03

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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.