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Finding the Fourth Proportional to 242,493.54, 334,651.47 and 135,063.60

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Solution

The fourth proportional to 242,493.54, 334,651.47 and 135,063.60 is: 186,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,493.54 : 334,651.47 = 135,063.60 : x
  2. Step 2: Convert to fraction form
    242,493.54/334,651.47 = 135,063.60/x
  3. Step 3: Cross multiply
    242,493.54x = 334,651.47 × 135,063.60
  4. Step 4: Simplify right side
    242,493.54x = 45,199,232,283.49
  5. Step 5: Solve for x
    x = 45,199,232,283.49/242,493.54
  6. Step 6: Final answer
    x = 186,393.55

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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.