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Finding the Fourth Proportional to 376,656.80, 564,812.40 and 166,186.40

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Solution

The fourth proportional to 376,656.80, 564,812.40 and 166,186.40 is: 249,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,656.80 : 564,812.40 = 166,186.40 : x
  2. Step 2: Convert to fraction form
    376,656.80/564,812.40 = 166,186.40/x
  3. Step 3: Cross multiply
    376,656.80x = 564,812.40 × 166,186.40
  4. Step 4: Simplify right side
    376,656.80x = 93,864,139,431.36
  5. Step 5: Solve for x
    x = 93,864,139,431.36/376,656.80
  6. Step 6: Final answer
    x = 249,203.36

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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.