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Finding the Fourth Proportional to 124,241.92, 171,448.50 and 70,525.96

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Solution

The fourth proportional to 124,241.92, 171,448.50 and 70,525.96 is: 97,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,241.92 : 171,448.50 = 70,525.96 : x
  2. Step 2: Convert to fraction form
    124,241.92/171,448.50 = 70,525.96/x
  3. Step 3: Cross multiply
    124,241.92x = 171,448.50 × 70,525.96
  4. Step 4: Simplify right side
    124,241.92x = 12,091,570,053.06
  5. Step 5: Solve for x
    x = 12,091,570,053.06/124,241.92
  6. Step 6: Final answer
    x = 97,322.79

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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.