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Finding the Fourth Proportional to 500,051.16, 749,960.06 and 144,969.88

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Solution

The fourth proportional to 500,051.16, 749,960.06 and 144,969.88 is: 217,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,051.16 : 749,960.06 = 144,969.88 : x
  2. Step 2: Convert to fraction form
    500,051.16/749,960.06 = 144,969.88/x
  3. Step 3: Cross multiply
    500,051.16x = 749,960.06 × 144,969.88
  4. Step 4: Simplify right side
    500,051.16x = 108,721,619,902.99
  5. Step 5: Solve for x
    x = 108,721,619,902.99/500,051.16
  6. Step 6: Final answer
    x = 217,420.99

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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.