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Finding the Fourth Proportional to 169,955.40, 254,933.10 and 99,096.60

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Solution

The fourth proportional to 169,955.40, 254,933.10 and 99,096.60 is: 148,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,955.40 : 254,933.10 = 99,096.60 : x
  2. Step 2: Convert to fraction form
    169,955.40/254,933.10 = 99,096.60/x
  3. Step 3: Cross multiply
    169,955.40x = 254,933.10 × 99,096.60
  4. Step 4: Simplify right side
    169,955.40x = 25,263,003,437.46
  5. Step 5: Solve for x
    x = 25,263,003,437.46/169,955.40
  6. Step 6: Final answer
    x = 148,644.90

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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.