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Finding the Fourth Proportional to 242,626.02, 334,820.52 and 135,200.58

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Solution

The fourth proportional to 242,626.02, 334,820.52 and 135,200.58 is: 186,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,626.02 : 334,820.52 = 135,200.58 : x
  2. Step 2: Convert to fraction form
    242,626.02/334,820.52 = 135,200.58/x
  3. Step 3: Cross multiply
    242,626.02x = 334,820.52 × 135,200.58
  4. Step 4: Simplify right side
    242,626.02x = 45,267,928,499.90
  5. Step 5: Solve for x
    x = 45,267,928,499.90/242,626.02
  6. Step 6: Final answer
    x = 186,574.91

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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.