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Finding the Fourth Proportional to 188,762.16, 283,145.48 and 64,112.88

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Solution

The fourth proportional to 188,762.16, 283,145.48 and 64,112.88 is: 96,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,762.16 : 283,145.48 = 64,112.88 : x
  2. Step 2: Convert to fraction form
    188,762.16/283,145.48 = 64,112.88/x
  3. Step 3: Cross multiply
    188,762.16x = 283,145.48 × 64,112.88
  4. Step 4: Simplify right side
    188,762.16x = 18,153,272,181.78
  5. Step 5: Solve for x
    x = 18,153,272,181.78/188,762.16
  6. Step 6: Final answer
    x = 96,170.08

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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.