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Finding the Fourth Proportional to 117,340.32, 161,925.36 and 63,624.48

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Solution

The fourth proportional to 117,340.32, 161,925.36 and 63,624.48 is: 87,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,340.32 : 161,925.36 = 63,624.48 : x
  2. Step 2: Convert to fraction form
    117,340.32/161,925.36 = 63,624.48/x
  3. Step 3: Cross multiply
    117,340.32x = 161,925.36 × 63,624.48
  4. Step 4: Simplify right side
    117,340.32x = 10,302,416,828.81
  5. Step 5: Solve for x
    x = 10,302,416,828.81/117,340.32
  6. Step 6: Final answer
    x = 87,799.46

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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.