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Finding the Fourth Proportional to 106,446.88, 146,903.28 and 58,700.16

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Solution

The fourth proportional to 106,446.88, 146,903.28 and 58,700.16 is: 81,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,446.88 : 146,903.28 = 58,700.16 : x
  2. Step 2: Convert to fraction form
    106,446.88/146,903.28 = 58,700.16/x
  3. Step 3: Cross multiply
    106,446.88x = 146,903.28 × 58,700.16
  4. Step 4: Simplify right side
    106,446.88x = 8,623,246,040.52
  5. Step 5: Solve for x
    x = 8,623,246,040.52/106,446.88
  6. Step 6: Final answer
    x = 81,009.85

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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.