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Finding the Fourth Proportional to 355,241.34, 532,854.42 and 115,354.98

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Solution

The fourth proportional to 355,241.34, 532,854.42 and 115,354.98 is: 173,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,241.34 : 532,854.42 = 115,354.98 : x
  2. Step 2: Convert to fraction form
    355,241.34/532,854.42 = 115,354.98/x
  3. Step 3: Cross multiply
    355,241.34x = 532,854.42 × 115,354.98
  4. Step 4: Simplify right side
    355,241.34x = 61,467,410,962.01
  5. Step 5: Solve for x
    x = 61,467,410,962.01/355,241.34
  6. Step 6: Final answer
    x = 173,030.01

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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.