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Finding the Fourth Proportional to 169,368.60, 254,052.99 and 43,018.32

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Solution

The fourth proportional to 169,368.60, 254,052.99 and 43,018.32 is: 64,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,368.60 : 254,052.99 = 43,018.32 : x
  2. Step 2: Convert to fraction form
    169,368.60/254,052.99 = 43,018.32/x
  3. Step 3: Cross multiply
    169,368.60x = 254,052.99 × 43,018.32
  4. Step 4: Simplify right side
    169,368.60x = 10,928,932,820.78
  5. Step 5: Solve for x
    x = 10,928,932,820.78/169,368.60
  6. Step 6: Final answer
    x = 64,527.50

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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.