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Finding the Fourth Proportional to 72,448.20, 108,703.08 and 46,204.20

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Solution

The fourth proportional to 72,448.20, 108,703.08 and 46,204.20 is: 69,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448.20 : 108,703.08 = 46,204.20 : x
  2. Step 2: Convert to fraction form
    72,448.20/108,703.08 = 46,204.20/x
  3. Step 3: Cross multiply
    72,448.20x = 108,703.08 × 46,204.20
  4. Step 4: Simplify right side
    72,448.20x = 5,022,538,848.94
  5. Step 5: Solve for x
    x = 5,022,538,848.94/72,448.20
  6. Step 6: Final answer
    x = 69,325.93

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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.