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Finding the Fourth Proportional to 169,553.60, 254,330.40 and 51,243.20

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Solution

The fourth proportional to 169,553.60, 254,330.40 and 51,243.20 is: 76,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,553.60 : 254,330.40 = 51,243.20 : x
  2. Step 2: Convert to fraction form
    169,553.60/254,330.40 = 51,243.20/x
  3. Step 3: Cross multiply
    169,553.60x = 254,330.40 × 51,243.20
  4. Step 4: Simplify right side
    169,553.60x = 13,032,703,553.28
  5. Step 5: Solve for x
    x = 13,032,703,553.28/169,553.60
  6. Step 6: Final answer
    x = 76,864.80

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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.