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Finding the Fourth Proportional to 265,123.58, 397,449.63 and 96,612.21

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Solution

The fourth proportional to 265,123.58, 397,449.63 and 96,612.21 is: 144,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,123.58 : 397,449.63 = 96,612.21 : x
  2. Step 2: Convert to fraction form
    265,123.58/397,449.63 = 96,612.21/x
  3. Step 3: Cross multiply
    265,123.58x = 397,449.63 × 96,612.21
  4. Step 4: Simplify right side
    265,123.58x = 38,398,487,117.98
  5. Step 5: Solve for x
    x = 38,398,487,117.98/265,123.58
  6. Step 6: Final answer
    x = 144,832.41

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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.