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Finding the Fourth Proportional to 124,567.56, 171,901.62 and 67,977.96

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Solution

The fourth proportional to 124,567.56, 171,901.62 and 67,977.96 is: 93,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,567.56 : 171,901.62 = 67,977.96 : x
  2. Step 2: Convert to fraction form
    124,567.56/171,901.62 = 67,977.96/x
  3. Step 3: Cross multiply
    124,567.56x = 171,901.62 × 67,977.96
  4. Step 4: Simplify right side
    124,567.56x = 11,685,521,448.30
  5. Step 5: Solve for x
    x = 11,685,521,448.30/124,567.56
  6. Step 6: Final answer
    x = 93,808.70

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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.