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Finding the Fourth Proportional to 178,046.76, 245,703.34 and 97,475.64

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Solution

The fourth proportional to 178,046.76, 245,703.34 and 97,475.64 is: 134,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,046.76 : 245,703.34 = 97,475.64 : x
  2. Step 2: Convert to fraction form
    178,046.76/245,703.34 = 97,475.64/x
  3. Step 3: Cross multiply
    178,046.76x = 245,703.34 × 97,475.64
  4. Step 4: Simplify right side
    178,046.76x = 23,950,089,517.09
  5. Step 5: Solve for x
    x = 23,950,089,517.09/178,046.76
  6. Step 6: Final answer
    x = 134,515.73

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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.