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Finding the Fourth Proportional to 261,057.93, 360,252.95 and 153,634.29

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Solution

The fourth proportional to 261,057.93, 360,252.95 and 153,634.29 is: 212,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,057.93 : 360,252.95 = 153,634.29 : x
  2. Step 2: Convert to fraction form
    261,057.93/360,252.95 = 153,634.29/x
  3. Step 3: Cross multiply
    261,057.93x = 360,252.95 × 153,634.29
  4. Step 4: Simplify right side
    261,057.93x = 55,347,205,425.48
  5. Step 5: Solve for x
    x = 55,347,205,425.48/261,057.93
  6. Step 6: Final answer
    x = 212,011.20

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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.