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Finding the Fourth Proportional to 191,659.83, 264,350.16 and 127,012.11

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Solution

The fourth proportional to 191,659.83, 264,350.16 and 127,012.11 is: 175,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,659.83 : 264,350.16 = 127,012.11 : x
  2. Step 2: Convert to fraction form
    191,659.83/264,350.16 = 127,012.11/x
  3. Step 3: Cross multiply
    191,659.83x = 264,350.16 × 127,012.11
  4. Step 4: Simplify right side
    191,659.83x = 33,575,671,600.44
  5. Step 5: Solve for x
    x = 33,575,671,600.44/191,659.83
  6. Step 6: Final answer
    x = 175,183.67

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1.5x scale

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.