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Finding the Fourth Proportional to 355,090.19, 532,636.70 and 88,849.94

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Solution

The fourth proportional to 355,090.19, 532,636.70 and 88,849.94 is: 133,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,090.19 : 532,636.70 = 88,849.94 : x
  2. Step 2: Convert to fraction form
    355,090.19/532,636.70 = 88,849.94/x
  3. Step 3: Cross multiply
    355,090.19x = 532,636.70 × 88,849.94
  4. Step 4: Simplify right side
    355,090.19x = 47,324,735,729.36
  5. Step 5: Solve for x
    x = 47,324,735,729.36/355,090.19
  6. Step 6: Final answer
    x = 133,275.26

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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.