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Finding the Fourth Proportional to 242,449.52, 334,578.47 and 140,472.77

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Solution

The fourth proportional to 242,449.52, 334,578.47 and 140,472.77 is: 193,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,449.52 : 334,578.47 = 140,472.77 : x
  2. Step 2: Convert to fraction form
    242,449.52/334,578.47 = 140,472.77/x
  3. Step 3: Cross multiply
    242,449.52x = 334,578.47 × 140,472.77
  4. Step 4: Simplify right side
    242,449.52x = 46,999,162,088.01
  5. Step 5: Solve for x
    x = 46,999,162,088.01/242,449.52
  6. Step 6: Final answer
    x = 193,851.33

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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.