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Finding the Fourth Proportional to 161,612.52, 242,088.32 and 131,733.24

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Solution

The fourth proportional to 161,612.52, 242,088.32 and 131,733.24 is: 197,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,612.52 : 242,088.32 = 131,733.24 : x
  2. Step 2: Convert to fraction form
    161,612.52/242,088.32 = 131,733.24/x
  3. Step 3: Cross multiply
    161,612.52x = 242,088.32 × 131,733.24
  4. Step 4: Simplify right side
    161,612.52x = 31,891,078,759.76
  5. Step 5: Solve for x
    x = 31,891,078,759.76/161,612.52
  6. Step 6: Final answer
    x = 197,330.50

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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.