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Finding the Fourth Proportional to 106,959.04, 160,359.04 and 64,828.78

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Solution

The fourth proportional to 106,959.04, 160,359.04 and 64,828.78 is: 97,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,959.04 : 160,359.04 = 64,828.78 : x
  2. Step 2: Convert to fraction form
    106,959.04/160,359.04 = 64,828.78/x
  3. Step 3: Cross multiply
    106,959.04x = 160,359.04 × 64,828.78
  4. Step 4: Simplify right side
    106,959.04x = 10,395,880,925.17
  5. Step 5: Solve for x
    x = 10,395,880,925.17/106,959.04
  6. Step 6: Final answer
    x = 97,194.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.