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Finding the Fourth Proportional to 169,255.53, 233,563.64 and 97,631.28

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Solution

The fourth proportional to 169,255.53, 233,563.64 and 97,631.28 is: 134,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,255.53 : 233,563.64 = 97,631.28 : x
  2. Step 2: Convert to fraction form
    169,255.53/233,563.64 = 97,631.28/x
  3. Step 3: Cross multiply
    169,255.53x = 233,563.64 × 97,631.28
  4. Step 4: Simplify right side
    169,255.53x = 22,803,116,646.50
  5. Step 5: Solve for x
    x = 22,803,116,646.50/169,255.53
  6. Step 6: Final answer
    x = 134,725.98

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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.