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Finding the Fourth Proportional to 169,263.78, 253,862.73 and 64,090.98

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Solution

The fourth proportional to 169,263.78, 253,862.73 and 64,090.98 is: 96,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,263.78 : 253,862.73 = 64,090.98 : x
  2. Step 2: Convert to fraction form
    169,263.78/253,862.73 = 64,090.98/x
  3. Step 3: Cross multiply
    169,263.78x = 253,862.73 × 64,090.98
  4. Step 4: Simplify right side
    169,263.78x = 16,270,311,151.18
  5. Step 5: Solve for x
    x = 16,270,311,151.18/169,263.78
  6. Step 6: Final answer
    x = 96,124.00

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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.