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Finding the Fourth Proportional to 236,520, 354,831.84 and 88,776

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Solution

The fourth proportional to 236,520, 354,831.84 and 88,776 is: 133,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,520 : 354,831.84 = 88,776 : x
  2. Step 2: Convert to fraction form
    236,520/354,831.84 = 88,776/x
  3. Step 3: Cross multiply
    236,520x = 354,831.84 × 88,776
  4. Step 4: Simplify right side
    236,520x = 31,500,551,427.84
  5. Step 5: Solve for x
    x = 31,500,551,427.84/236,520
  6. Step 6: Final answer
    x = 133,183.46

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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.