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Finding the Fourth Proportional to 108,663.20, 163,063.20 and 46,332.80

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Solution

The fourth proportional to 108,663.20, 163,063.20 and 46,332.80 is: 69,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,663.20 : 163,063.20 = 46,332.80 : x
  2. Step 2: Convert to fraction form
    108,663.20/163,063.20 = 46,332.80/x
  3. Step 3: Cross multiply
    108,663.20x = 163,063.20 × 46,332.80
  4. Step 4: Simplify right side
    108,663.20x = 7,555,174,632.96
  5. Step 5: Solve for x
    x = 7,555,174,632.96/108,663.20
  6. Step 6: Final answer
    x = 69,528.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.