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Finding the Fourth Proportional to 261,292.44, 360,573.36 and 148,112.76

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Solution

The fourth proportional to 261,292.44, 360,573.36 and 148,112.76 is: 204,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,292.44 : 360,573.36 = 148,112.76 : x
  2. Step 2: Convert to fraction form
    261,292.44/360,573.36 = 148,112.76/x
  3. Step 3: Cross multiply
    261,292.44x = 360,573.36 × 148,112.76
  4. Step 4: Simplify right side
    261,292.44x = 53,405,515,532.07
  5. Step 5: Solve for x
    x = 53,405,515,532.07/261,292.44
  6. Step 6: Final answer
    x = 204,389.82

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1.5x scale

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.