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Finding the Fourth Proportional to 92,225.40, 138,467.70 and 57,233.40

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Solution

The fourth proportional to 92,225.40, 138,467.70 and 57,233.40 is: 85,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,225.40 : 138,467.70 = 57,233.40 : x
  2. Step 2: Convert to fraction form
    92,225.40/138,467.70 = 57,233.40/x
  3. Step 3: Cross multiply
    92,225.40x = 138,467.70 × 57,233.40
  4. Step 4: Simplify right side
    92,225.40x = 7,924,977,261.18
  5. Step 5: Solve for x
    x = 7,924,977,261.18/92,225.40
  6. Step 6: Final answer
    x = 85,930.53

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1.5x scale

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.