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Finding the Fourth Proportional to 191,277.90, 264,014.19 and 134,714.70

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Solution

The fourth proportional to 191,277.90, 264,014.19 and 134,714.70 is: 185,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,277.90 : 264,014.19 = 134,714.70 : x
  2. Step 2: Convert to fraction form
    191,277.90/264,014.19 = 134,714.70/x
  3. Step 3: Cross multiply
    191,277.90x = 264,014.19 × 134,714.70
  4. Step 4: Simplify right side
    191,277.90x = 35,566,592,401.59
  5. Step 5: Solve for x
    x = 35,566,592,401.59/191,277.90
  6. Step 6: Final answer
    x = 185,941.98

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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.