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Finding the Fourth Proportional to 132,670.20, 183,082.70 and 73,054.20

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Solution

The fourth proportional to 132,670.20, 183,082.70 and 73,054.20 is: 100,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,670.20 : 183,082.70 = 73,054.20 : x
  2. Step 2: Convert to fraction form
    132,670.20/183,082.70 = 73,054.20/x
  3. Step 3: Cross multiply
    132,670.20x = 183,082.70 × 73,054.20
  4. Step 4: Simplify right side
    132,670.20x = 13,374,960,182.34
  5. Step 5: Solve for x
    x = 13,374,960,182.34/132,670.20
  6. Step 6: Final answer
    x = 100,813.60

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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.