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Finding the Fourth Proportional to 132,720.76, 183,154.66 and 73,104.76

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Solution

The fourth proportional to 132,720.76, 183,154.66 and 73,104.76 is: 100,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,720.76 : 183,154.66 = 73,104.76 : x
  2. Step 2: Convert to fraction form
    132,720.76/183,154.66 = 73,104.76/x
  3. Step 3: Cross multiply
    132,720.76x = 183,154.66 × 73,104.76
  4. Step 4: Simplify right side
    132,720.76x = 13,389,477,462.18
  5. Step 5: Solve for x
    x = 13,389,477,462.18/132,720.76
  6. Step 6: Final answer
    x = 100,884.57

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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.