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Finding the Fourth Proportional to 64,248.64, 88,696.68 and 40,056.91

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Solution

The fourth proportional to 64,248.64, 88,696.68 and 40,056.91 is: 55,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,248.64 : 88,696.68 = 40,056.91 : x
  2. Step 2: Convert to fraction form
    64,248.64/88,696.68 = 40,056.91/x
  3. Step 3: Cross multiply
    64,248.64x = 88,696.68 × 40,056.91
  4. Step 4: Simplify right side
    64,248.64x = 3,552,914,928.06
  5. Step 5: Solve for x
    x = 3,552,914,928.06/64,248.64
  6. Step 6: Final answer
    x = 55,299.46

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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.