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Finding the Fourth Proportional to 197,831.88, 296,759.88 and 64,726.20

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Solution

The fourth proportional to 197,831.88, 296,759.88 and 64,726.20 is: 97,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,831.88 : 296,759.88 = 64,726.20 : x
  2. Step 2: Convert to fraction form
    197,831.88/296,759.88 = 64,726.20/x
  3. Step 3: Cross multiply
    197,831.88x = 296,759.88 × 64,726.20
  4. Step 4: Simplify right side
    197,831.88x = 19,208,139,344.86
  5. Step 5: Solve for x
    x = 19,208,139,344.86/197,831.88
  6. Step 6: Final answer
    x = 97,093.25

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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.