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Finding the Fourth Proportional to 71,162.76, 98,214.80 and 44,313.72

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Solution

The fourth proportional to 71,162.76, 98,214.80 and 44,313.72 is: 61,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,162.76 : 98,214.80 = 44,313.72 : x
  2. Step 2: Convert to fraction form
    71,162.76/98,214.80 = 44,313.72/x
  3. Step 3: Cross multiply
    71,162.76x = 98,214.80 × 44,313.72
  4. Step 4: Simplify right side
    71,162.76x = 4,352,263,147.06
  5. Step 5: Solve for x
    x = 4,352,263,147.06/71,162.76
  6. Step 6: Final answer
    x = 61,159.28

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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.