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Finding the Fourth Proportional to 84,852.86, 127,332.90 and 47,437.52

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Solution

The fourth proportional to 84,852.86, 127,332.90 and 47,437.52 is: 71,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,852.86 : 127,332.90 = 47,437.52 : x
  2. Step 2: Convert to fraction form
    84,852.86/127,332.90 = 47,437.52/x
  3. Step 3: Cross multiply
    84,852.86x = 127,332.90 × 47,437.52
  4. Step 4: Simplify right side
    84,852.86x = 6,040,356,353.74
  5. Step 5: Solve for x
    x = 6,040,356,353.74/84,852.86
  6. Step 6: Final answer
    x = 71,186.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.