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Finding the Fourth Proportional to 80,073.72, 110,503.08 and 46,539.72

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Solution

The fourth proportional to 80,073.72, 110,503.08 and 46,539.72 is: 64,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,073.72 : 110,503.08 = 46,539.72 : x
  2. Step 2: Convert to fraction form
    80,073.72/110,503.08 = 46,539.72/x
  3. Step 3: Cross multiply
    80,073.72x = 110,503.08 × 46,539.72
  4. Step 4: Simplify right side
    80,073.72x = 5,142,782,402.34
  5. Step 5: Solve for x
    x = 5,142,782,402.34/80,073.72
  6. Step 6: Final answer
    x = 64,225.60

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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.