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Finding the Fourth Proportional to 158,129.86, 237,272.70 and 73,895.84

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Solution

The fourth proportional to 158,129.86, 237,272.70 and 73,895.84 is: 110,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,129.86 : 237,272.70 = 73,895.84 : x
  2. Step 2: Convert to fraction form
    158,129.86/237,272.70 = 73,895.84/x
  3. Step 3: Cross multiply
    158,129.86x = 237,272.70 × 73,895.84
  4. Step 4: Simplify right side
    158,129.86x = 17,533,465,475.57
  5. Step 5: Solve for x
    x = 17,533,465,475.57/158,129.86
  6. Step 6: Final answer
    x = 110,880.17

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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.