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Finding the Fourth Proportional to 70,298.88, 97,053.44 and 60,852.48

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Solution

The fourth proportional to 70,298.88, 97,053.44 and 60,852.48 is: 84,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,298.88 : 97,053.44 = 60,852.48 : x
  2. Step 2: Convert to fraction form
    70,298.88/97,053.44 = 60,852.48/x
  3. Step 3: Cross multiply
    70,298.88x = 97,053.44 × 60,852.48
  4. Step 4: Simplify right side
    70,298.88x = 5,905,942,516.53
  5. Step 5: Solve for x
    x = 5,905,942,516.53/70,298.88
  6. Step 6: Final answer
    x = 84,011.90

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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.