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Finding the Fourth Proportional to 152,622.87, 210,619.56 and 84,650.22

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Solution

The fourth proportional to 152,622.87, 210,619.56 and 84,650.22 is: 116,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,622.87 : 210,619.56 = 84,650.22 : x
  2. Step 2: Convert to fraction form
    152,622.87/210,619.56 = 84,650.22/x
  3. Step 3: Cross multiply
    152,622.87x = 210,619.56 × 84,650.22
  4. Step 4: Simplify right side
    152,622.87x = 17,828,992,090.30
  5. Step 5: Solve for x
    x = 17,828,992,090.30/152,622.87
  6. Step 6: Final answer
    x = 116,817.30

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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.