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Finding the Fourth Proportional to 188,810.82, 283,017.87 and 95,120.10

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Solution

The fourth proportional to 188,810.82, 283,017.87 and 95,120.10 is: 142,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,810.82 : 283,017.87 = 95,120.10 : x
  2. Step 2: Convert to fraction form
    188,810.82/283,017.87 = 95,120.10/x
  3. Step 3: Cross multiply
    188,810.82x = 283,017.87 × 95,120.10
  4. Step 4: Simplify right side
    188,810.82x = 26,920,688,096.19
  5. Step 5: Solve for x
    x = 26,920,688,096.19/188,810.82
  6. Step 6: Final answer
    x = 142,580.22

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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.