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Finding the Fourth Proportional to 237,051.72, 355,595.64 and 79,280.44

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Solution

The fourth proportional to 237,051.72, 355,595.64 and 79,280.44 is: 118,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,051.72 : 355,595.64 = 79,280.44 : x
  2. Step 2: Convert to fraction form
    237,051.72/355,595.64 = 79,280.44/x
  3. Step 3: Cross multiply
    237,051.72x = 355,595.64 × 79,280.44
  4. Step 4: Simplify right side
    237,051.72x = 28,191,778,801.28
  5. Step 5: Solve for x
    x = 28,191,778,801.28/237,051.72
  6. Step 6: Final answer
    x = 118,926.70

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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.