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Finding the Fourth Proportional to 267,190.96, 368,724 and 144,684.67

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Solution

The fourth proportional to 267,190.96, 368,724 and 144,684.67 is: 199,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,190.96 : 368,724 = 144,684.67 : x
  2. Step 2: Convert to fraction form
    267,190.96/368,724 = 144,684.67/x
  3. Step 3: Cross multiply
    267,190.96x = 368,724 × 144,684.67
  4. Step 4: Simplify right side
    267,190.96x = 53,348,710,261.08
  5. Step 5: Solve for x
    x = 53,348,710,261.08/267,190.96
  6. Step 6: Final answer
    x = 199,665.10

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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.