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Finding the Fourth Proportional to 265,967.50, 367,035.15 and 152,855.86

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Solution

The fourth proportional to 265,967.50, 367,035.15 and 152,855.86 is: 210,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,967.50 : 367,035.15 = 152,855.86 : x
  2. Step 2: Convert to fraction form
    265,967.50/367,035.15 = 152,855.86/x
  3. Step 3: Cross multiply
    265,967.50x = 367,035.15 × 152,855.86
  4. Step 4: Simplify right side
    265,967.50x = 56,103,473,503.48
  5. Step 5: Solve for x
    x = 56,103,473,503.48/265,967.50
  6. Step 6: Final answer
    x = 210,941.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.