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Finding the Fourth Proportional to 270,751.23, 373,639.64 and 149,894.51

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Solution

The fourth proportional to 270,751.23, 373,639.64 and 149,894.51 is: 206,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,751.23 : 373,639.64 = 149,894.51 : x
  2. Step 2: Convert to fraction form
    270,751.23/373,639.64 = 149,894.51/x
  3. Step 3: Cross multiply
    270,751.23x = 373,639.64 × 149,894.51
  4. Step 4: Simplify right side
    270,751.23x = 56,006,528,136.71
  5. Step 5: Solve for x
    x = 56,006,528,136.71/270,751.23
  6. Step 6: Final answer
    x = 206,856.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.