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Finding the Fourth Proportional to 117,670.46, 162,385.46 and 63,955.34

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Solution

The fourth proportional to 117,670.46, 162,385.46 and 63,955.34 is: 88,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,670.46 : 162,385.46 = 63,955.34 : x
  2. Step 2: Convert to fraction form
    117,670.46/162,385.46 = 63,955.34/x
  3. Step 3: Cross multiply
    117,670.46x = 162,385.46 × 63,955.34
  4. Step 4: Simplify right side
    117,670.46x = 10,385,417,305.36
  5. Step 5: Solve for x
    x = 10,385,417,305.36/117,670.46
  6. Step 6: Final answer
    x = 88,258.49

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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.