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Finding the Fourth Proportional to 267,135.74, 368,643.84 and 152,411.42

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Solution

The fourth proportional to 267,135.74, 368,643.84 and 152,411.42 is: 210,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,135.74 : 368,643.84 = 152,411.42 : x
  2. Step 2: Convert to fraction form
    267,135.74/368,643.84 = 152,411.42/x
  3. Step 3: Cross multiply
    267,135.74x = 368,643.84 × 152,411.42
  4. Step 4: Simplify right side
    267,135.74x = 56,185,531,128.65
  5. Step 5: Solve for x
    x = 56,185,531,128.65/267,135.74
  6. Step 6: Final answer
    x = 210,325.77

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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.