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Finding the Fourth Proportional to 157,664.40, 236,496.60 and 151,443.60

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Solution

The fourth proportional to 157,664.40, 236,496.60 and 151,443.60 is: 227,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,664.40 : 236,496.60 = 151,443.60 : x
  2. Step 2: Convert to fraction form
    157,664.40/236,496.60 = 151,443.60/x
  3. Step 3: Cross multiply
    157,664.40x = 236,496.60 × 151,443.60
  4. Step 4: Simplify right side
    157,664.40x = 35,815,896,491.76
  5. Step 5: Solve for x
    x = 35,815,896,491.76/157,664.40
  6. Step 6: Final answer
    x = 227,165.40

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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.