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Finding the Fourth Proportional to 191,792.56, 264,686.88 and 106,923.28

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Solution

The fourth proportional to 191,792.56, 264,686.88 and 106,923.28 is: 147,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,792.56 : 264,686.88 = 106,923.28 : x
  2. Step 2: Convert to fraction form
    191,792.56/264,686.88 = 106,923.28/x
  3. Step 3: Cross multiply
    191,792.56x = 264,686.88 × 106,923.28
  4. Step 4: Simplify right side
    191,792.56x = 28,301,189,382.57
  5. Step 5: Solve for x
    x = 28,301,189,382.57/191,792.56
  6. Step 6: Final answer
    x = 147,561.46

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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.