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Finding the Fourth Proportional to 242,022.72, 333,972 and 134,592.96

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Solution

The fourth proportional to 242,022.72, 333,972 and 134,592.96 is: 185,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,022.72 : 333,972 = 134,592.96 : x
  2. Step 2: Convert to fraction form
    242,022.72/333,972 = 134,592.96/x
  3. Step 3: Cross multiply
    242,022.72x = 333,972 × 134,592.96
  4. Step 4: Simplify right side
    242,022.72x = 44,950,280,037.12
  5. Step 5: Solve for x
    x = 44,950,280,037.12/242,022.72
  6. Step 6: Final answer
    x = 185,727.52

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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.