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Finding the Fourth Proportional to 169,440, 233,832.96 and 109,927.68

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Solution

The fourth proportional to 169,440, 233,832.96 and 109,927.68 is: 151,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,440 : 233,832.96 = 109,927.68 : x
  2. Step 2: Convert to fraction form
    169,440/233,832.96 = 109,927.68/x
  3. Step 3: Cross multiply
    169,440x = 233,832.96 × 109,927.68
  4. Step 4: Simplify right side
    169,440x = 25,704,714,800.33
  5. Step 5: Solve for x
    x = 25,704,714,800.33/169,440
  6. Step 6: Final answer
    x = 151,703.94

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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.