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Finding the Fourth Proportional to 355,779.45, 533,844.45 and 166,252.86

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Solution

The fourth proportional to 355,779.45, 533,844.45 and 166,252.86 is: 249,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,779.45 : 533,844.45 = 166,252.86 : x
  2. Step 2: Convert to fraction form
    355,779.45/533,844.45 = 166,252.86/x
  3. Step 3: Cross multiply
    355,779.45x = 533,844.45 × 166,252.86
  4. Step 4: Simplify right side
    355,779.45x = 88,753,166,607.63
  5. Step 5: Solve for x
    x = 88,753,166,607.63/355,779.45
  6. Step 6: Final answer
    x = 249,461.19

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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.