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Finding the Fourth Proportional to 354,303.66, 531,454.05 and 88,059.18

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Solution

The fourth proportional to 354,303.66, 531,454.05 and 88,059.18 is: 132,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,303.66 : 531,454.05 = 88,059.18 : x
  2. Step 2: Convert to fraction form
    354,303.66/531,454.05 = 88,059.18/x
  3. Step 3: Cross multiply
    354,303.66x = 531,454.05 × 88,059.18
  4. Step 4: Simplify right side
    354,303.66x = 46,799,407,850.68
  5. Step 5: Solve for x
    x = 46,799,407,850.68/354,303.66
  6. Step 6: Final answer
    x = 132,088.41

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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.