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Finding the Fourth Proportional to 64,256.60, 88,611.90 and 50,104.28

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Solution

The fourth proportional to 64,256.60, 88,611.90 and 50,104.28 is: 69,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,256.60 : 88,611.90 = 50,104.28 : x
  2. Step 2: Convert to fraction form
    64,256.60/88,611.90 = 50,104.28/x
  3. Step 3: Cross multiply
    64,256.60x = 88,611.90 × 50,104.28
  4. Step 4: Simplify right side
    64,256.60x = 4,439,835,448.93
  5. Step 5: Solve for x
    x = 4,439,835,448.93/64,256.60
  6. Step 6: Final answer
    x = 69,095.40

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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.