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Finding the Fourth Proportional to 267,101.04, 368,617.20 and 153,931.08

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Solution

The fourth proportional to 267,101.04, 368,617.20 and 153,931.08 is: 212,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,101.04 : 368,617.20 = 153,931.08 : x
  2. Step 2: Convert to fraction form
    267,101.04/368,617.20 = 153,931.08/x
  3. Step 3: Cross multiply
    267,101.04x = 368,617.20 × 153,931.08
  4. Step 4: Simplify right side
    267,101.04x = 56,741,643,702.58
  5. Step 5: Solve for x
    x = 56,741,643,702.58/267,101.04
  6. Step 6: Final answer
    x = 212,435.13

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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.