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Finding the Fourth Proportional to 115,885.44, 159,960.42 and 70,592.67

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Solution

The fourth proportional to 115,885.44, 159,960.42 and 70,592.67 is: 97,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,885.44 : 159,960.42 = 70,592.67 : x
  2. Step 2: Convert to fraction form
    115,885.44/159,960.42 = 70,592.67/x
  3. Step 3: Cross multiply
    115,885.44x = 159,960.42 × 70,592.67
  4. Step 4: Simplify right side
    115,885.44x = 11,292,033,142.12
  5. Step 5: Solve for x
    x = 11,292,033,142.12/115,885.44
  6. Step 6: Final answer
    x = 97,441.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.