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Finding the Fourth Proportional to 132,801.67, 183,260.95 and 72,371.01

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Solution

The fourth proportional to 132,801.67, 183,260.95 and 72,371.01 is: 99,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,801.67 : 183,260.95 = 72,371.01 : x
  2. Step 2: Convert to fraction form
    132,801.67/183,260.95 = 72,371.01/x
  3. Step 3: Cross multiply
    132,801.67x = 183,260.95 × 72,371.01
  4. Step 4: Simplify right side
    132,801.67x = 13,262,780,045.06
  5. Step 5: Solve for x
    x = 13,262,780,045.06/132,801.67
  6. Step 6: Final answer
    x = 99,869.08

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1.5x scale

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.