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Finding the Fourth Proportional to 267,654.36, 369,328.74 and 152,940.28

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Solution

The fourth proportional to 267,654.36, 369,328.74 and 152,940.28 is: 211,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,654.36 : 369,328.74 = 152,940.28 : x
  2. Step 2: Convert to fraction form
    267,654.36/369,328.74 = 152,940.28/x
  3. Step 3: Cross multiply
    267,654.36x = 369,328.74 × 152,940.28
  4. Step 4: Simplify right side
    267,654.36x = 56,485,240,907.65
  5. Step 5: Solve for x
    x = 56,485,240,907.65/267,654.36
  6. Step 6: Final answer
    x = 211,038.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.