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Finding the Fourth Proportional to 169,881.90, 234,416.64 and 93,388.38

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Solution

The fourth proportional to 169,881.90, 234,416.64 and 93,388.38 is: 128,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,881.90 : 234,416.64 = 93,388.38 : x
  2. Step 2: Convert to fraction form
    169,881.90/234,416.64 = 93,388.38/x
  3. Step 3: Cross multiply
    169,881.90x = 234,416.64 × 93,388.38
  4. Step 4: Simplify right side
    169,881.90x = 21,891,790,254.64
  5. Step 5: Solve for x
    x = 21,891,790,254.64/169,881.90
  6. Step 6: Final answer
    x = 128,864.76

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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.