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Finding the Fourth Proportional to 93,609.89, 129,249.30 and 57,848.93

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Solution

The fourth proportional to 93,609.89, 129,249.30 and 57,848.93 is: 79,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,609.89 : 129,249.30 = 57,848.93 : x
  2. Step 2: Convert to fraction form
    93,609.89/129,249.30 = 57,848.93/x
  3. Step 3: Cross multiply
    93,609.89x = 129,249.30 × 57,848.93
  4. Step 4: Simplify right side
    93,609.89x = 7,476,933,062.00
  5. Step 5: Solve for x
    x = 7,476,933,062.00/93,609.89
  6. Step 6: Final answer
    x = 79,873.33

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1.5x scale

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.