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Finding the Fourth Proportional to 270,088.15, 404,884.54 and 103,750.87

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Solution

The fourth proportional to 270,088.15, 404,884.54 and 103,750.87 is: 155,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,088.15 : 404,884.54 = 103,750.87 : x
  2. Step 2: Convert to fraction form
    270,088.15/404,884.54 = 103,750.87/x
  3. Step 3: Cross multiply
    270,088.15x = 404,884.54 × 103,750.87
  4. Step 4: Simplify right side
    270,088.15x = 42,007,123,274.55
  5. Step 5: Solve for x
    x = 42,007,123,274.55/270,088.15
  6. Step 6: Final answer
    x = 155,531.16

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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.