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Finding the Fourth Proportional to 250,492.10, 375,644.86 and 100,681.92

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Solution

The fourth proportional to 250,492.10, 375,644.86 and 100,681.92 is: 150,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,492.10 : 375,644.86 = 100,681.92 : x
  2. Step 2: Convert to fraction form
    250,492.10/375,644.86 = 100,681.92/x
  3. Step 3: Cross multiply
    250,492.10x = 375,644.86 × 100,681.92
  4. Step 4: Simplify right side
    250,492.10x = 37,820,645,742.93
  5. Step 5: Solve for x
    x = 37,820,645,742.93/250,492.10
  6. Step 6: Final answer
    x = 150,985.38

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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.