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Finding the Fourth Proportional to 242,755.72, 364,238.62 and 130,304.63

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Solution

The fourth proportional to 242,755.72, 364,238.62 and 130,304.63 is: 195,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,755.72 : 364,238.62 = 130,304.63 : x
  2. Step 2: Convert to fraction form
    242,755.72/364,238.62 = 130,304.63/x
  3. Step 3: Cross multiply
    242,755.72x = 364,238.62 × 130,304.63
  4. Step 4: Simplify right side
    242,755.72x = 47,461,979,928.61
  5. Step 5: Solve for x
    x = 47,461,979,928.61/242,755.72
  6. Step 6: Final answer
    x = 195,513.34

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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.