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Finding the Fourth Proportional to 169,165.72, 233,448.16 and 93,714.20

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Solution

The fourth proportional to 169,165.72, 233,448.16 and 93,714.20 is: 129,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,165.72 : 233,448.16 = 93,714.20 : x
  2. Step 2: Convert to fraction form
    169,165.72/233,448.16 = 93,714.20/x
  3. Step 3: Cross multiply
    169,165.72x = 233,448.16 × 93,714.20
  4. Step 4: Simplify right side
    169,165.72x = 21,877,407,555.87
  5. Step 5: Solve for x
    x = 21,877,407,555.87/169,165.72
  6. Step 6: Final answer
    x = 129,325.30

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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.