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Finding the Fourth Proportional to 242,352.90, 334,440.49 and 134,922.97

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Solution

The fourth proportional to 242,352.90, 334,440.49 and 134,922.97 is: 186,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,352.90 : 334,440.49 = 134,922.97 : x
  2. Step 2: Convert to fraction form
    242,352.90/334,440.49 = 134,922.97/x
  3. Step 3: Cross multiply
    242,352.90x = 334,440.49 × 134,922.97
  4. Step 4: Simplify right side
    242,352.90x = 45,123,704,199.06
  5. Step 5: Solve for x
    x = 45,123,704,199.06/242,352.90
  6. Step 6: Final answer
    x = 186,190.07

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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.