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Finding the Fourth Proportional to 107,801.39, 161,733.63 and 31,901.93

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Solution

The fourth proportional to 107,801.39, 161,733.63 and 31,901.93 is: 47,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,801.39 : 161,733.63 = 31,901.93 : x
  2. Step 2: Convert to fraction form
    107,801.39/161,733.63 = 31,901.93/x
  3. Step 3: Cross multiply
    107,801.39x = 161,733.63 × 31,901.93
  4. Step 4: Simplify right side
    107,801.39x = 5,159,614,134.24
  5. Step 5: Solve for x
    x = 5,159,614,134.24/107,801.39
  6. Step 6: Final answer
    x = 47,862.22

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1.5x scale

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.