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Finding the Fourth Proportional to 113,804.76, 157,027.13 and 65,397.34

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Solution

The fourth proportional to 113,804.76, 157,027.13 and 65,397.34 is: 90,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,804.76 : 157,027.13 = 65,397.34 : x
  2. Step 2: Convert to fraction form
    113,804.76/157,027.13 = 65,397.34/x
  3. Step 3: Cross multiply
    113,804.76x = 157,027.13 × 65,397.34
  4. Step 4: Simplify right side
    113,804.76x = 10,269,156,724.37
  5. Step 5: Solve for x
    x = 10,269,156,724.37/113,804.76
  6. Step 6: Final answer
    x = 90,234.86

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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.