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Finding the Fourth Proportional to 354,877.88, 532,313.84 and 88,636.59

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Solution

The fourth proportional to 354,877.88, 532,313.84 and 88,636.59 is: 132,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,877.88 : 532,313.84 = 88,636.59 : x
  2. Step 2: Convert to fraction form
    354,877.88/532,313.84 = 88,636.59/x
  3. Step 3: Cross multiply
    354,877.88x = 532,313.84 × 88,636.59
  4. Step 4: Simplify right side
    354,877.88x = 47,182,483,809.00
  5. Step 5: Solve for x
    x = 47,182,483,809.00/354,877.88
  6. Step 6: Final answer
    x = 132,954.14

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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.