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Finding the Fourth Proportional to 103,797.38, 155,681.96 and 40,573.50

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Solution

The fourth proportional to 103,797.38, 155,681.96 and 40,573.50 is: 60,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,797.38 : 155,681.96 = 40,573.50 : x
  2. Step 2: Convert to fraction form
    103,797.38/155,681.96 = 40,573.50/x
  3. Step 3: Cross multiply
    103,797.38x = 155,681.96 × 40,573.50
  4. Step 4: Simplify right side
    103,797.38x = 6,316,561,801.19
  5. Step 5: Solve for x
    x = 6,316,561,801.19/103,797.38
  6. Step 6: Final answer
    x = 60,854.74

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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.