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Finding the Fourth Proportional to 169,495.50, 233,903.16 and 93,015.90

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Solution

The fourth proportional to 169,495.50, 233,903.16 and 93,015.90 is: 128,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,495.50 : 233,903.16 = 93,015.90 : x
  2. Step 2: Convert to fraction form
    169,495.50/233,903.16 = 93,015.90/x
  3. Step 3: Cross multiply
    169,495.50x = 233,903.16 × 93,015.90
  4. Step 4: Simplify right side
    169,495.50x = 21,756,712,940.24
  5. Step 5: Solve for x
    x = 21,756,712,940.24/169,495.50
  6. Step 6: Final answer
    x = 128,361.60

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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.