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Finding the Fourth Proportional to 261,798.26, 392,572.80 and 119,601.45

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Solution

The fourth proportional to 261,798.26, 392,572.80 and 119,601.45 is: 179,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,798.26 : 392,572.80 = 119,601.45 : x
  2. Step 2: Convert to fraction form
    261,798.26/392,572.80 = 119,601.45/x
  3. Step 3: Cross multiply
    261,798.26x = 392,572.80 × 119,601.45
  4. Step 4: Simplify right side
    261,798.26x = 46,952,276,110.56
  5. Step 5: Solve for x
    x = 46,952,276,110.56/261,798.26
  6. Step 6: Final answer
    x = 179,345.26

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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.