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Finding the Fourth Proportional to 368,897.10, 552,866.31 and 166,344.45

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Solution

The fourth proportional to 368,897.10, 552,866.31 and 166,344.45 is: 249,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,897.10 : 552,866.31 = 166,344.45 : x
  2. Step 2: Convert to fraction form
    368,897.10/552,866.31 = 166,344.45/x
  3. Step 3: Cross multiply
    368,897.10x = 552,866.31 × 166,344.45
  4. Step 4: Simplify right side
    368,897.10x = 91,966,240,187.23
  5. Step 5: Solve for x
    x = 91,966,240,187.23/368,897.10
  6. Step 6: Final answer
    x = 249,300.53

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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.