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Finding the Fourth Proportional to 191,496.81, 264,276.07 and 106,612.01

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Solution

The fourth proportional to 191,496.81, 264,276.07 and 106,612.01 is: 147,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,496.81 : 264,276.07 = 106,612.01 : x
  2. Step 2: Convert to fraction form
    191,496.81/264,276.07 = 106,612.01/x
  3. Step 3: Cross multiply
    191,496.81x = 264,276.07 × 106,612.01
  4. Step 4: Simplify right side
    191,496.81x = 28,175,002,484.54
  5. Step 5: Solve for x
    x = 28,175,002,484.54/191,496.81
  6. Step 6: Final answer
    x = 147,130.40

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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.