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Finding the Fourth Proportional to 163,372.80, 245,066.40 and 92,294.40

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Solution

The fourth proportional to 163,372.80, 245,066.40 and 92,294.40 is: 138,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,372.80 : 245,066.40 = 92,294.40 : x
  2. Step 2: Convert to fraction form
    163,372.80/245,066.40 = 92,294.40/x
  3. Step 3: Cross multiply
    163,372.80x = 245,066.40 × 92,294.40
  4. Step 4: Simplify right side
    163,372.80x = 22,618,256,348.16
  5. Step 5: Solve for x
    x = 22,618,256,348.16/163,372.80
  6. Step 6: Final answer
    x = 138,445.67

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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.