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Finding the Fourth Proportional to 132,616.77, 183,034.85 and 84,868.48

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Solution

The fourth proportional to 132,616.77, 183,034.85 and 84,868.48 is: 117,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,616.77 : 183,034.85 = 84,868.48 : x
  2. Step 2: Convert to fraction form
    132,616.77/183,034.85 = 84,868.48/x
  3. Step 3: Cross multiply
    132,616.77x = 183,034.85 × 84,868.48
  4. Step 4: Simplify right side
    132,616.77x = 15,533,889,506.53
  5. Step 5: Solve for x
    x = 15,533,889,506.53/132,616.77
  6. Step 6: Final answer
    x = 117,133.67

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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.