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Finding the Fourth Proportional to 242,699.95, 364,213.95 and 84,929.77

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Solution

The fourth proportional to 242,699.95, 364,213.95 and 84,929.77 is: 127,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,699.95 : 364,213.95 = 84,929.77 : x
  2. Step 2: Convert to fraction form
    242,699.95/364,213.95 = 84,929.77/x
  3. Step 3: Cross multiply
    242,699.95x = 364,213.95 × 84,929.77
  4. Step 4: Simplify right side
    242,699.95x = 30,932,604,758.57
  5. Step 5: Solve for x
    x = 30,932,604,758.57/242,699.95
  6. Step 6: Final answer
    x = 127,452.05

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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.