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Finding the Fourth Proportional to 250,521.96, 375,912.14 and 117,415.74

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Solution

The fourth proportional to 250,521.96, 375,912.14 and 117,415.74 is: 176,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,521.96 : 375,912.14 = 117,415.74 : x
  2. Step 2: Convert to fraction form
    250,521.96/375,912.14 = 117,415.74/x
  3. Step 3: Cross multiply
    250,521.96x = 375,912.14 × 117,415.74
  4. Step 4: Simplify right side
    250,521.96x = 44,138,001,506.00
  5. Step 5: Solve for x
    x = 44,138,001,506.00/250,521.96
  6. Step 6: Final answer
    x = 176,184.16

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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.