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Finding the Fourth Proportional to 261,167.91, 360,486.46 and 153,800.22

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Solution

The fourth proportional to 261,167.91, 360,486.46 and 153,800.22 is: 212,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,167.91 : 360,486.46 = 153,800.22 : x
  2. Step 2: Convert to fraction form
    261,167.91/360,486.46 = 153,800.22/x
  3. Step 3: Cross multiply
    261,167.91x = 360,486.46 × 153,800.22
  4. Step 4: Simplify right side
    261,167.91x = 55,442,897,533.97
  5. Step 5: Solve for x
    x = 55,442,897,533.97/261,167.91
  6. Step 6: Final answer
    x = 212,288.32

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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.