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Finding the Fourth Proportional to 134,755.70, 202,133.55 and 84,892.10

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Solution

The fourth proportional to 134,755.70, 202,133.55 and 84,892.10 is: 127,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755.70 : 202,133.55 = 84,892.10 : x
  2. Step 2: Convert to fraction form
    134,755.70/202,133.55 = 84,892.10/x
  3. Step 3: Cross multiply
    134,755.70x = 202,133.55 × 84,892.10
  4. Step 4: Simplify right side
    134,755.70x = 17,159,541,539.96
  5. Step 5: Solve for x
    x = 17,159,541,539.96/134,755.70
  6. Step 6: Final answer
    x = 127,338.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.