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Finding the Fourth Proportional to 104,630.96, 144,392.36 and 56,884.48

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Solution

The fourth proportional to 104,630.96, 144,392.36 and 56,884.48 is: 78,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,630.96 : 144,392.36 = 56,884.48 : x
  2. Step 2: Convert to fraction form
    104,630.96/144,392.36 = 56,884.48/x
  3. Step 3: Cross multiply
    104,630.96x = 144,392.36 × 56,884.48
  4. Step 4: Simplify right side
    104,630.96x = 8,213,684,314.57
  5. Step 5: Solve for x
    x = 8,213,684,314.57/104,630.96
  6. Step 6: Final answer
    x = 78,501.47

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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.