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Finding the Fourth Proportional to 106,411.88, 146,849.39 and 58,666.93

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Solution

The fourth proportional to 106,411.88, 146,849.39 and 58,666.93 is: 80,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,411.88 : 146,849.39 = 58,666.93 : x
  2. Step 2: Convert to fraction form
    106,411.88/146,849.39 = 58,666.93/x
  3. Step 3: Cross multiply
    106,411.88x = 146,849.39 × 58,666.93
  4. Step 4: Simplify right side
    106,411.88x = 8,615,202,883.67
  5. Step 5: Solve for x
    x = 8,615,202,883.67/106,411.88
  6. Step 6: Final answer
    x = 80,960.91

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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.