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Finding the Fourth Proportional to 267,353.40, 401,030.10 and 89,801.40

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Solution

The fourth proportional to 267,353.40, 401,030.10 and 89,801.40 is: 134,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,353.40 : 401,030.10 = 89,801.40 : x
  2. Step 2: Convert to fraction form
    267,353.40/401,030.10 = 89,801.40/x
  3. Step 3: Cross multiply
    267,353.40x = 401,030.10 × 89,801.40
  4. Step 4: Simplify right side
    267,353.40x = 36,013,064,422.14
  5. Step 5: Solve for x
    x = 36,013,064,422.14/267,353.40
  6. Step 6: Final answer
    x = 134,702.10

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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.