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Finding the Fourth Proportional to 191,312.66, 263,901.57 and 119,568.13

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Solution

The fourth proportional to 191,312.66, 263,901.57 and 119,568.13 is: 164,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,312.66 : 263,901.57 = 119,568.13 : x
  2. Step 2: Convert to fraction form
    191,312.66/263,901.57 = 119,568.13/x
  3. Step 3: Cross multiply
    191,312.66x = 263,901.57 × 119,568.13
  4. Step 4: Simplify right side
    191,312.66x = 31,554,217,228.96
  5. Step 5: Solve for x
    x = 31,554,217,228.96/191,312.66
  6. Step 6: Final answer
    x = 164,935.33

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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.