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Finding the Fourth Proportional to 191,011.65, 263,597.65 and 119,433.17

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Solution

The fourth proportional to 191,011.65, 263,597.65 and 119,433.17 is: 164,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,011.65 : 263,597.65 = 119,433.17 : x
  2. Step 2: Convert to fraction form
    191,011.65/263,597.65 = 119,433.17/x
  3. Step 3: Cross multiply
    191,011.65x = 263,597.65 × 119,433.17
  4. Step 4: Simplify right side
    191,011.65x = 31,482,302,944.05
  5. Step 5: Solve for x
    x = 31,482,302,944.05/191,011.65
  6. Step 6: Final answer
    x = 164,818.76

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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.