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Finding the Fourth Proportional to 169,752.80, 234,258.42 and 93,259.64

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Solution

The fourth proportional to 169,752.80, 234,258.42 and 93,259.64 is: 128,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,752.80 : 234,258.42 = 93,259.64 : x
  2. Step 2: Convert to fraction form
    169,752.80/234,258.42 = 93,259.64/x
  3. Step 3: Cross multiply
    169,752.80x = 234,258.42 × 93,259.64
  4. Step 4: Simplify right side
    169,752.80x = 21,846,855,916.17
  5. Step 5: Solve for x
    x = 21,846,855,916.17/169,752.80
  6. Step 6: Final answer
    x = 128,698.06

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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.