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Finding the Fourth Proportional to 133,053.51, 183,610.30 and 72,624.90

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Solution

The fourth proportional to 133,053.51, 183,610.30 and 72,624.90 is: 100,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.51 : 183,610.30 = 72,624.90 : x
  2. Step 2: Convert to fraction form
    133,053.51/183,610.30 = 72,624.90/x
  3. Step 3: Cross multiply
    133,053.51x = 183,610.30 × 72,624.90
  4. Step 4: Simplify right side
    133,053.51x = 13,334,679,676.47
  5. Step 5: Solve for x
    x = 13,334,679,676.47/133,053.51
  6. Step 6: Final answer
    x = 100,220.43

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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.