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Finding the Fourth Proportional to 127,293.15, 175,667.47 and 69,933.38

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Solution

The fourth proportional to 127,293.15, 175,667.47 and 69,933.38 is: 96,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,293.15 : 175,667.47 = 69,933.38 : x
  2. Step 2: Convert to fraction form
    127,293.15/175,667.47 = 69,933.38/x
  3. Step 3: Cross multiply
    127,293.15x = 175,667.47 × 69,933.38
  4. Step 4: Simplify right side
    127,293.15x = 12,285,018,879.98
  5. Step 5: Solve for x
    x = 12,285,018,879.98/127,293.15
  6. Step 6: Final answer
    x = 96,509.66

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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.