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Finding the Fourth Proportional to 375,815.16, 563,708.16 and 123,114.60

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Solution

The fourth proportional to 375,815.16, 563,708.16 and 123,114.60 is: 184,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,815.16 : 563,708.16 = 123,114.60 : x
  2. Step 2: Convert to fraction form
    375,815.16/563,708.16 = 123,114.60/x
  3. Step 3: Cross multiply
    375,815.16x = 563,708.16 × 123,114.60
  4. Step 4: Simplify right side
    375,815.16x = 69,400,704,635.14
  5. Step 5: Solve for x
    x = 69,400,704,635.14/375,815.16
  6. Step 6: Final answer
    x = 184,667.12

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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.