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Finding the Fourth Proportional to 369,393.06, 554,089.74 and 88,910.34

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Solution

The fourth proportional to 369,393.06, 554,089.74 and 88,910.34 is: 133,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,393.06 : 554,089.74 = 88,910.34 : x
  2. Step 2: Convert to fraction form
    369,393.06/554,089.74 = 88,910.34/x
  3. Step 3: Cross multiply
    369,393.06x = 554,089.74 × 88,910.34
  4. Step 4: Simplify right side
    369,393.06x = 49,264,307,173.91
  5. Step 5: Solve for x
    x = 49,264,307,173.91/369,393.06
  6. Step 6: Final answer
    x = 133,365.55

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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.