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Finding the Fourth Proportional to 369,380.55, 554,070.93 and 88,897.80

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Solution

The fourth proportional to 369,380.55, 554,070.93 and 88,897.80 is: 133,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,380.55 : 554,070.93 = 88,897.80 : x
  2. Step 2: Convert to fraction form
    369,380.55/554,070.93 = 88,897.80/x
  3. Step 3: Cross multiply
    369,380.55x = 554,070.93 × 88,897.80
  4. Step 4: Simplify right side
    369,380.55x = 49,255,686,720.95
  5. Step 5: Solve for x
    x = 49,255,686,720.95/369,380.55
  6. Step 6: Final answer
    x = 133,346.73

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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.