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Finding the Fourth Proportional to 267,875.84, 369,576.88 and 153,072

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Solution

The fourth proportional to 267,875.84, 369,576.88 and 153,072 is: 211,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,875.84 : 369,576.88 = 153,072 : x
  2. Step 2: Convert to fraction form
    267,875.84/369,576.88 = 153,072/x
  3. Step 3: Cross multiply
    267,875.84x = 369,576.88 × 153,072
  4. Step 4: Simplify right side
    267,875.84x = 56,571,872,175.36
  5. Step 5: Solve for x
    x = 56,571,872,175.36/267,875.84
  6. Step 6: Final answer
    x = 211,186.91

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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.