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Finding the Fourth Proportional to 191,573.86, 264,371.88 and 111,048.12

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Solution

The fourth proportional to 191,573.86, 264,371.88 and 111,048.12 is: 153,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,573.86 : 264,371.88 = 111,048.12 : x
  2. Step 2: Convert to fraction form
    191,573.86/264,371.88 = 111,048.12/x
  3. Step 3: Cross multiply
    191,573.86x = 264,371.88 × 111,048.12
  4. Step 4: Simplify right side
    191,573.86x = 29,358,000,254.87
  5. Step 5: Solve for x
    x = 29,358,000,254.87/191,573.86
  6. Step 6: Final answer
    x = 153,246.38

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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.