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Finding the Fourth Proportional to 113,250.60, 169,875.90 and 60,762.60

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Solution

The fourth proportional to 113,250.60, 169,875.90 and 60,762.60 is: 91,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,250.60 : 169,875.90 = 60,762.60 : x
  2. Step 2: Convert to fraction form
    113,250.60/169,875.90 = 60,762.60/x
  3. Step 3: Cross multiply
    113,250.60x = 169,875.90 × 60,762.60
  4. Step 4: Simplify right side
    113,250.60x = 10,322,101,361.34
  5. Step 5: Solve for x
    x = 10,322,101,361.34/113,250.60
  6. Step 6: Final answer
    x = 91,143.90

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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.