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Finding the Fourth Proportional to 250,516.53, 375,681.51 and 100,706.40

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Solution

The fourth proportional to 250,516.53, 375,681.51 and 100,706.40 is: 151,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,516.53 : 375,681.51 = 100,706.40 : x
  2. Step 2: Convert to fraction form
    250,516.53/375,681.51 = 100,706.40/x
  3. Step 3: Cross multiply
    250,516.53x = 375,681.51 × 100,706.40
  4. Step 4: Simplify right side
    250,516.53x = 37,833,532,418.66
  5. Step 5: Solve for x
    x = 37,833,532,418.66/250,516.53
  6. Step 6: Final answer
    x = 151,022.10

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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.