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Finding the Fourth Proportional to 78,601.55, 108,451.70 and 44,602.34

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Solution

The fourth proportional to 78,601.55, 108,451.70 and 44,602.34 is: 61,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,601.55 : 108,451.70 = 44,602.34 : x
  2. Step 2: Convert to fraction form
    78,601.55/108,451.70 = 44,602.34/x
  3. Step 3: Cross multiply
    78,601.55x = 108,451.70 × 44,602.34
  4. Step 4: Simplify right side
    78,601.55x = 4,837,199,812.35
  5. Step 5: Solve for x
    x = 4,837,199,812.35/78,601.55
  6. Step 6: Final answer
    x = 61,540.77

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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.