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Finding the Fourth Proportional to 191,432.88, 264,106.48 and 191,137.64

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Solution

The fourth proportional to 191,432.88, 264,106.48 and 191,137.64 is: 263,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,432.88 : 264,106.48 = 191,137.64 : x
  2. Step 2: Convert to fraction form
    191,432.88/264,106.48 = 191,137.64/x
  3. Step 3: Cross multiply
    191,432.88x = 264,106.48 × 191,137.64
  4. Step 4: Simplify right side
    191,432.88x = 50,480,689,295.91
  5. Step 5: Solve for x
    x = 50,480,689,295.91/191,432.88
  6. Step 6: Final answer
    x = 263,699.16

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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.