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Finding the Fourth Proportional to 158,990.46, 237,966.48 and 116,859.39

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Solution

The fourth proportional to 158,990.46, 237,966.48 and 116,859.39 is: 174,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,990.46 : 237,966.48 = 116,859.39 : x
  2. Step 2: Convert to fraction form
    158,990.46/237,966.48 = 116,859.39/x
  3. Step 3: Cross multiply
    158,990.46x = 237,966.48 × 116,859.39
  4. Step 4: Simplify right side
    158,990.46x = 27,808,617,693.25
  5. Step 5: Solve for x
    x = 27,808,617,693.25/158,990.46
  6. Step 6: Final answer
    x = 174,907.46

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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.