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Finding the Fourth Proportional to 64,301.95, 96,336.28 and 47,476.63

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Solution

The fourth proportional to 64,301.95, 96,336.28 and 47,476.63 is: 71,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,301.95 : 96,336.28 = 47,476.63 : x
  2. Step 2: Convert to fraction form
    64,301.95/96,336.28 = 47,476.63/x
  3. Step 3: Cross multiply
    64,301.95x = 96,336.28 × 47,476.63
  4. Step 4: Simplify right side
    64,301.95x = 4,573,721,202.07
  5. Step 5: Solve for x
    x = 4,573,721,202.07/64,301.95
  6. Step 6: Final answer
    x = 71,128.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.