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Finding the Fourth Proportional to 267,225.40, 400,875.02 and 89,783.16

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Solution

The fourth proportional to 267,225.40, 400,875.02 and 89,783.16 is: 134,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,225.40 : 400,875.02 = 89,783.16 : x
  2. Step 2: Convert to fraction form
    267,225.40/400,875.02 = 89,783.16/x
  3. Step 3: Cross multiply
    267,225.40x = 400,875.02 × 89,783.16
  4. Step 4: Simplify right side
    267,225.40x = 35,991,826,060.66
  5. Step 5: Solve for x
    x = 35,991,826,060.66/267,225.40
  6. Step 6: Final answer
    x = 134,687.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.