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Finding the Fourth Proportional to 355,270.93, 532,910.62 and 99,087.93

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Solution

The fourth proportional to 355,270.93, 532,910.62 and 99,087.93 is: 148,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,270.93 : 532,910.62 = 99,087.93 : x
  2. Step 2: Convert to fraction form
    355,270.93/532,910.62 = 99,087.93/x
  3. Step 3: Cross multiply
    355,270.93x = 532,910.62 × 99,087.93
  4. Step 4: Simplify right side
    355,270.93x = 52,805,010,210.82
  5. Step 5: Solve for x
    x = 52,805,010,210.82/355,270.93
  6. Step 6: Final answer
    x = 148,633.07

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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.