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Finding the Fourth Proportional to 191,486.62, 264,211.46 and 110,909.32

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Solution

The fourth proportional to 191,486.62, 264,211.46 and 110,909.32 is: 153,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,486.62 : 264,211.46 = 110,909.32 : x
  2. Step 2: Convert to fraction form
    191,486.62/264,211.46 = 110,909.32/x
  3. Step 3: Cross multiply
    191,486.62x = 264,211.46 × 110,909.32
  4. Step 4: Simplify right side
    191,486.62x = 29,303,513,364.81
  5. Step 5: Solve for x
    x = 29,303,513,364.81/191,486.62
  6. Step 6: Final answer
    x = 153,031.65

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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.