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Finding the Fourth Proportional to 73,957.76, 110,897.76 and 63,615.68

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Solution

The fourth proportional to 73,957.76, 110,897.76 and 63,615.68 is: 95,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,957.76 : 110,897.76 = 63,615.68 : x
  2. Step 2: Convert to fraction form
    73,957.76/110,897.76 = 63,615.68/x
  3. Step 3: Cross multiply
    73,957.76x = 110,897.76 × 63,615.68
  4. Step 4: Simplify right side
    73,957.76x = 7,054,836,412.88
  5. Step 5: Solve for x
    x = 7,054,836,412.88/73,957.76
  6. Step 6: Final answer
    x = 95,390.08

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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.