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Finding the Fourth Proportional to 127,181.91, 190,776.93 and 63,967.53

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Solution

The fourth proportional to 127,181.91, 190,776.93 and 63,967.53 is: 95,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,181.91 : 190,776.93 = 63,967.53 : x
  2. Step 2: Convert to fraction form
    127,181.91/190,776.93 = 63,967.53/x
  3. Step 3: Cross multiply
    127,181.91x = 190,776.93 × 63,967.53
  4. Step 4: Simplify right side
    127,181.91x = 12,203,528,993.08
  5. Step 5: Solve for x
    x = 12,203,528,993.08/127,181.91
  6. Step 6: Final answer
    x = 95,953.34

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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.