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Finding the Fourth Proportional to 191,510.82, 264,294.36 and 106,626.06

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Solution

The fourth proportional to 191,510.82, 264,294.36 and 106,626.06 is: 147,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,510.82 : 264,294.36 = 106,626.06 : x
  2. Step 2: Convert to fraction form
    191,510.82/264,294.36 = 106,626.06/x
  3. Step 3: Cross multiply
    191,510.82x = 264,294.36 × 106,626.06
  4. Step 4: Simplify right side
    191,510.82x = 28,180,666,287.02
  5. Step 5: Solve for x
    x = 28,180,666,287.02/191,510.82
  6. Step 6: Final answer
    x = 147,149.21

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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.