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Finding the Fourth Proportional to 76,407.52, 105,443.52 and 46,187.44

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Solution

The fourth proportional to 76,407.52, 105,443.52 and 46,187.44 is: 63,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,407.52 : 105,443.52 = 46,187.44 : x
  2. Step 2: Convert to fraction form
    76,407.52/105,443.52 = 46,187.44/x
  3. Step 3: Cross multiply
    76,407.52x = 105,443.52 × 46,187.44
  4. Step 4: Simplify right side
    76,407.52x = 4,870,166,253.39
  5. Step 5: Solve for x
    x = 4,870,166,253.39/76,407.52
  6. Step 6: Final answer
    x = 63,739.36

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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.