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Finding the Fourth Proportional to 269,837, 372,365.28 and 148,975.76

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Solution

The fourth proportional to 269,837, 372,365.28 and 148,975.76 is: 205,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,837 : 372,365.28 = 148,975.76 : x
  2. Step 2: Convert to fraction form
    269,837/372,365.28 = 148,975.76/x
  3. Step 3: Cross multiply
    269,837x = 372,365.28 × 148,975.76
  4. Step 4: Simplify right side
    269,837x = 55,473,400,585.61
  5. Step 5: Solve for x
    x = 55,473,400,585.61/269,837
  6. Step 6: Final answer
    x = 205,581.15

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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.