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Finding the Fourth Proportional to 160,609.40, 240,913.36 and 48,289.12

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Solution

The fourth proportional to 160,609.40, 240,913.36 and 48,289.12 is: 72,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,609.40 : 240,913.36 = 48,289.12 : x
  2. Step 2: Convert to fraction form
    160,609.40/240,913.36 = 48,289.12/x
  3. Step 3: Cross multiply
    160,609.40x = 240,913.36 × 48,289.12
  4. Step 4: Simplify right side
    160,609.40x = 11,633,494,150.64
  5. Step 5: Solve for x
    x = 11,633,494,150.64/160,609.40
  6. Step 6: Final answer
    x = 72,433.46

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1.5x scale

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.