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Finding the Fourth Proportional to 134,245.95, 185,260.08 and 73,820.49

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Solution

The fourth proportional to 134,245.95, 185,260.08 and 73,820.49 is: 101,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,245.95 : 185,260.08 = 73,820.49 : x
  2. Step 2: Convert to fraction form
    134,245.95/185,260.08 = 73,820.49/x
  3. Step 3: Cross multiply
    134,245.95x = 185,260.08 × 73,820.49
  4. Step 4: Simplify right side
    134,245.95x = 13,675,989,883.04
  5. Step 5: Solve for x
    x = 13,675,989,883.04/134,245.95
  6. Step 6: Final answer
    x = 101,872.64

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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.