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Finding the Fourth Proportional to 236,553.01, 354,834.53 and 84,759.98

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Solution

The fourth proportional to 236,553.01, 354,834.53 and 84,759.98 is: 127,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,553.01 : 354,834.53 = 84,759.98 : x
  2. Step 2: Convert to fraction form
    236,553.01/354,834.53 = 84,759.98/x
  3. Step 3: Cross multiply
    236,553.01x = 354,834.53 × 84,759.98
  4. Step 4: Simplify right side
    236,553.01x = 30,075,767,666.11
  5. Step 5: Solve for x
    x = 30,075,767,666.11/236,553.01
  6. Step 6: Final answer
    x = 127,141.77

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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.