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Finding the Fourth Proportional to 303,536.99, 455,288.46 and 93,174.32

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Solution

The fourth proportional to 303,536.99, 455,288.46 and 93,174.32 is: 139,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,536.99 : 455,288.46 = 93,174.32 : x
  2. Step 2: Convert to fraction form
    303,536.99/455,288.46 = 93,174.32/x
  3. Step 3: Cross multiply
    303,536.99x = 455,288.46 × 93,174.32
  4. Step 4: Simplify right side
    303,536.99x = 42,421,190,387.90
  5. Step 5: Solve for x
    x = 42,421,190,387.90/303,536.99
  6. Step 6: Final answer
    x = 139,756.25

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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.