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Finding the Fourth Proportional to 232,068.15, 320,229.99 and 136,569.15

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Solution

The fourth proportional to 232,068.15, 320,229.99 and 136,569.15 is: 188,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,068.15 : 320,229.99 = 136,569.15 : x
  2. Step 2: Convert to fraction form
    232,068.15/320,229.99 = 136,569.15/x
  3. Step 3: Cross multiply
    232,068.15x = 320,229.99 × 136,569.15
  4. Step 4: Simplify right side
    232,068.15x = 43,733,537,538.81
  5. Step 5: Solve for x
    x = 43,733,537,538.81/232,068.15
  6. Step 6: Final answer
    x = 188,451.27

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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.