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Finding the Fourth Proportional to 169,946,884.11, 253,952,866.32 and 127,605,548.37

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Solution

The fourth proportional to 169,946,884.11, 253,952,866.32 and 127,605,548.37 is: 190,681,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,946,884.11 : 253,952,866.32 = 127,605,548.37 : x
  2. Step 2: Convert to fraction form
    169,946,884.11/253,952,866.32 = 127,605,548.37/x
  3. Step 3: Cross multiply
    169,946,884.11x = 253,952,866.32 × 127,605,548.37
  4. Step 4: Simplify right side
    169,946,884.11x = 32,405,794,766,896,904
  5. Step 5: Solve for x
    x = 32,405,794,766,896,904/169,946,884.11
  6. Step 6: Final answer
    x = 190,681,900.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.