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Finding the Fourth Proportional to 173,346.52, 239,261.70 and 97,938.76

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Solution

The fourth proportional to 173,346.52, 239,261.70 and 97,938.76 is: 135,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,346.52 : 239,261.70 = 97,938.76 : x
  2. Step 2: Convert to fraction form
    173,346.52/239,261.70 = 97,938.76/x
  3. Step 3: Cross multiply
    173,346.52x = 239,261.70 × 97,938.76
  4. Step 4: Simplify right side
    173,346.52x = 23,432,994,213.49
  5. Step 5: Solve for x
    x = 23,432,994,213.49/173,346.52
  6. Step 6: Final answer
    x = 135,180.07

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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.