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Finding the Fourth Proportional to 248,681.68, 373,132.78 and 130,324.88

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Solution

The fourth proportional to 248,681.68, 373,132.78 and 130,324.88 is: 195,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,681.68 : 373,132.78 = 130,324.88 : x
  2. Step 2: Convert to fraction form
    248,681.68/373,132.78 = 130,324.88/x
  3. Step 3: Cross multiply
    248,681.68x = 373,132.78 × 130,324.88
  4. Step 4: Simplify right side
    248,681.68x = 48,628,484,777.57
  5. Step 5: Solve for x
    x = 48,628,484,777.57/248,681.68
  6. Step 6: Final answer
    x = 195,545.10

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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.