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Finding the Fourth Proportional to 236,888.88, 355,294.40 and 85,054.53

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Solution

The fourth proportional to 236,888.88, 355,294.40 and 85,054.53 is: 127,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,888.88 : 355,294.40 = 85,054.53 : x
  2. Step 2: Convert to fraction form
    236,888.88/355,294.40 = 85,054.53/x
  3. Step 3: Cross multiply
    236,888.88x = 355,294.40 × 85,054.53
  4. Step 4: Simplify right side
    236,888.88x = 30,219,398,510.67
  5. Step 5: Solve for x
    x = 30,219,398,510.67/236,888.88
  6. Step 6: Final answer
    x = 127,567.82

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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.