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Finding the Fourth Proportional to 169,481,009.80, 254,221,514.70 and 54,477,177.40

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Solution

The fourth proportional to 169,481,009.80, 254,221,514.70 and 54,477,177.40 is: 81,715,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,481,009.80 : 254,221,514.70 = 54,477,177.40 : x
  2. Step 2: Convert to fraction form
    169,481,009.80/254,221,514.70 = 54,477,177.40/x
  3. Step 3: Cross multiply
    169,481,009.80x = 254,221,514.70 × 54,477,177.40
  4. Step 4: Simplify right side
    169,481,009.80x = 13,849,270,555,208,606
  5. Step 5: Solve for x
    x = 13,849,270,555,208,606/169,481,009.80
  6. Step 6: Final answer
    x = 81,715,766.10

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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.