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Finding the Fourth Proportional to 106,698.59, 147,247.02 and 58,955.01

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Solution

The fourth proportional to 106,698.59, 147,247.02 and 58,955.01 is: 81,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,698.59 : 147,247.02 = 58,955.01 : x
  2. Step 2: Convert to fraction form
    106,698.59/147,247.02 = 58,955.01/x
  3. Step 3: Cross multiply
    106,698.59x = 147,247.02 × 58,955.01
  4. Step 4: Simplify right side
    106,698.59x = 8,680,949,389.18
  5. Step 5: Solve for x
    x = 8,680,949,389.18/106,698.59
  6. Step 6: Final answer
    x = 81,359.55

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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.