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Finding the Fourth Proportional to 160,503.48, 221,489.73 and 92,520.72

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Solution

The fourth proportional to 160,503.48, 221,489.73 and 92,520.72 is: 127,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,503.48 : 221,489.73 = 92,520.72 : x
  2. Step 2: Convert to fraction form
    160,503.48/221,489.73 = 92,520.72/x
  3. Step 3: Cross multiply
    160,503.48x = 221,489.73 × 92,520.72
  4. Step 4: Simplify right side
    160,503.48x = 20,492,389,292.21
  5. Step 5: Solve for x
    x = 20,492,389,292.21/160,503.48
  6. Step 6: Final answer
    x = 127,675.67

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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.