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Finding the Fourth Proportional to 64,301.78, 88,735.49 and 35,621.35

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Solution

The fourth proportional to 64,301.78, 88,735.49 and 35,621.35 is: 49,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,301.78 : 88,735.49 = 35,621.35 : x
  2. Step 2: Convert to fraction form
    64,301.78/88,735.49 = 35,621.35/x
  3. Step 3: Cross multiply
    64,301.78x = 88,735.49 × 35,621.35
  4. Step 4: Simplify right side
    64,301.78x = 3,160,877,946.71
  5. Step 5: Solve for x
    x = 3,160,877,946.71/64,301.78
  6. Step 6: Final answer
    x = 49,156.93

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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.