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Finding the Fourth Proportional to 70,953.44, 97,961.40 and 44,132.45

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Solution

The fourth proportional to 70,953.44, 97,961.40 and 44,132.45 is: 60,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.44 : 97,961.40 = 44,132.45 : x
  2. Step 2: Convert to fraction form
    70,953.44/97,961.40 = 44,132.45/x
  3. Step 3: Cross multiply
    70,953.44x = 97,961.40 × 44,132.45
  4. Step 4: Simplify right side
    70,953.44x = 4,323,276,097.62
  5. Step 5: Solve for x
    x = 4,323,276,097.62/70,953.44
  6. Step 6: Final answer
    x = 60,931.17

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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.