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Finding the Fourth Proportional to 241,636.58, 333,484.86 and 138,280.28

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Solution

The fourth proportional to 241,636.58, 333,484.86 and 138,280.28 is: 190,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,636.58 : 333,484.86 = 138,280.28 : x
  2. Step 2: Convert to fraction form
    241,636.58/333,484.86 = 138,280.28/x
  3. Step 3: Cross multiply
    241,636.58x = 333,484.86 × 138,280.28
  4. Step 4: Simplify right side
    241,636.58x = 46,114,379,816.56
  5. Step 5: Solve for x
    x = 46,114,379,816.56/241,636.58
  6. Step 6: Final answer
    x = 190,841.88

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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.