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Finding the Fourth Proportional to 375,808.39, 563,792.30 and 123,070.20

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Solution

The fourth proportional to 375,808.39, 563,792.30 and 123,070.20 is: 184,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,808.39 : 563,792.30 = 123,070.20 : x
  2. Step 2: Convert to fraction form
    375,808.39/563,792.30 = 123,070.20/x
  3. Step 3: Cross multiply
    375,808.39x = 563,792.30 × 123,070.20
  4. Step 4: Simplify right side
    375,808.39x = 69,386,032,022.73
  5. Step 5: Solve for x
    x = 69,386,032,022.73/375,808.39
  6. Step 6: Final answer
    x = 184,631.41

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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.