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Finding the Fourth Proportional to 191,557.44, 264,336.72 and 110,978.40

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Solution

The fourth proportional to 191,557.44, 264,336.72 and 110,978.40 is: 153,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,557.44 : 264,336.72 = 110,978.40 : x
  2. Step 2: Convert to fraction form
    191,557.44/264,336.72 = 110,978.40/x
  3. Step 3: Cross multiply
    191,557.44x = 264,336.72 × 110,978.40
  4. Step 4: Simplify right side
    191,557.44x = 29,335,666,246.85
  5. Step 5: Solve for x
    x = 29,335,666,246.85/191,557.44
  6. Step 6: Final answer
    x = 153,142.92

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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.