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Finding the Fourth Proportional to 132,800.67, 183,259.58 and 72,370.01

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Solution

The fourth proportional to 132,800.67, 183,259.58 and 72,370.01 is: 99,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.67 : 183,259.58 = 72,370.01 : x
  2. Step 2: Convert to fraction form
    132,800.67/183,259.58 = 72,370.01/x
  3. Step 3: Cross multiply
    132,800.67x = 183,259.58 × 72,370.01
  4. Step 4: Simplify right side
    132,800.67x = 13,262,497,733.49
  5. Step 5: Solve for x
    x = 13,262,497,733.49/132,800.67
  6. Step 6: Final answer
    x = 99,867.70

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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.