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Finding the Fourth Proportional to 282,054.99, 423,077.02 and 68,824.29

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Solution

The fourth proportional to 282,054.99, 423,077.02 and 68,824.29 is: 103,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,054.99 : 423,077.02 = 68,824.29 : x
  2. Step 2: Convert to fraction form
    282,054.99/423,077.02 = 68,824.29/x
  3. Step 3: Cross multiply
    282,054.99x = 423,077.02 × 68,824.29
  4. Step 4: Simplify right side
    282,054.99x = 29,117,975,516.82
  5. Step 5: Solve for x
    x = 29,117,975,516.82/282,054.99
  6. Step 6: Final answer
    x = 103,235.10

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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.