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Finding the Fourth Proportional to 188,907.60, 283,360.92 and 70,588.20

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Solution

The fourth proportional to 188,907.60, 283,360.92 and 70,588.20 is: 105,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,907.60 : 283,360.92 = 70,588.20 : x
  2. Step 2: Convert to fraction form
    188,907.60/283,360.92 = 70,588.20/x
  3. Step 3: Cross multiply
    188,907.60x = 283,360.92 × 70,588.20
  4. Step 4: Simplify right side
    188,907.60x = 20,001,937,293.14
  5. Step 5: Solve for x
    x = 20,001,937,293.14/188,907.60
  6. Step 6: Final answer
    x = 105,882.12

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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.