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Finding the Fourth Proportional to 267,188.35, 368,969.70 and 171,860.53

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Solution

The fourth proportional to 267,188.35, 368,969.70 and 171,860.53 is: 237,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,188.35 : 368,969.70 = 171,860.53 : x
  2. Step 2: Convert to fraction form
    267,188.35/368,969.70 = 171,860.53/x
  3. Step 3: Cross multiply
    267,188.35x = 368,969.70 × 171,860.53
  4. Step 4: Simplify right side
    267,188.35x = 63,411,328,195.94
  5. Step 5: Solve for x
    x = 63,411,328,195.94/267,188.35
  6. Step 6: Final answer
    x = 237,328.19

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1.5x scale

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.