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Finding the Fourth Proportional to 191,441.84, 264,189.72 and 106,557.08

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Solution

The fourth proportional to 191,441.84, 264,189.72 and 106,557.08 is: 147,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,441.84 : 264,189.72 = 106,557.08 : x
  2. Step 2: Convert to fraction form
    191,441.84/264,189.72 = 106,557.08/x
  3. Step 3: Cross multiply
    191,441.84x = 264,189.72 × 106,557.08
  4. Step 4: Simplify right side
    191,441.84x = 28,151,285,129.22
  5. Step 5: Solve for x
    x = 28,151,285,129.22/191,441.84
  6. Step 6: Final answer
    x = 147,048.76

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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.