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Finding the Fourth Proportional to 188,305.48, 282,467.94 and 48,065.32

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Solution

The fourth proportional to 188,305.48, 282,467.94 and 48,065.32 is: 72,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,305.48 : 282,467.94 = 48,065.32 : x
  2. Step 2: Convert to fraction form
    188,305.48/282,467.94 = 48,065.32/x
  3. Step 3: Cross multiply
    188,305.48x = 282,467.94 × 48,065.32
  4. Step 4: Simplify right side
    188,305.48x = 13,576,911,925.84
  5. Step 5: Solve for x
    x = 13,576,911,925.84/188,305.48
  6. Step 6: Final answer
    x = 72,100.46

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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.