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Finding the Fourth Proportional to 160,581.55, 240,858.66 and 65,784.67

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Solution

The fourth proportional to 160,581.55, 240,858.66 and 65,784.67 is: 98,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,581.55 : 240,858.66 = 65,784.67 : x
  2. Step 2: Convert to fraction form
    160,581.55/240,858.66 = 65,784.67/x
  3. Step 3: Cross multiply
    160,581.55x = 240,858.66 × 65,784.67
  4. Step 4: Simplify right side
    160,581.55x = 15,844,807,464.74
  5. Step 5: Solve for x
    x = 15,844,807,464.74/160,581.55
  6. Step 6: Final answer
    x = 98,671.41

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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.