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Finding the Fourth Proportional to 169,769.94, 254,304.99 and 99,436.02

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Solution

The fourth proportional to 169,769.94, 254,304.99 and 99,436.02 is: 148,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,769.94 : 254,304.99 = 99,436.02 : x
  2. Step 2: Convert to fraction form
    169,769.94/254,304.99 = 99,436.02/x
  3. Step 3: Cross multiply
    169,769.94x = 254,304.99 × 99,436.02
  4. Step 4: Simplify right side
    169,769.94x = 25,287,076,071.74
  5. Step 5: Solve for x
    x = 25,287,076,071.74/169,769.94
  6. Step 6: Final answer
    x = 148,949.08

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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.