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Finding the Fourth Proportional to 227,681.20, 341,521.80 and 103,265.20

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Solution

The fourth proportional to 227,681.20, 341,521.80 and 103,265.20 is: 154,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,681.20 : 341,521.80 = 103,265.20 : x
  2. Step 2: Convert to fraction form
    227,681.20/341,521.80 = 103,265.20/x
  3. Step 3: Cross multiply
    227,681.20x = 341,521.80 × 103,265.20
  4. Step 4: Simplify right side
    227,681.20x = 35,267,316,981.36
  5. Step 5: Solve for x
    x = 35,267,316,981.36/227,681.20
  6. Step 6: Final answer
    x = 154,897.80

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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.