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Finding the Fourth Proportional to 188,896.89, 283,312.46 and 70,569.21

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Solution

The fourth proportional to 188,896.89, 283,312.46 and 70,569.21 is: 105,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,896.89 : 283,312.46 = 70,569.21 : x
  2. Step 2: Convert to fraction form
    188,896.89/283,312.46 = 70,569.21/x
  3. Step 3: Cross multiply
    188,896.89x = 283,312.46 × 70,569.21
  4. Step 4: Simplify right side
    188,896.89x = 19,993,136,132.51
  5. Step 5: Solve for x
    x = 19,993,136,132.51/188,896.89
  6. Step 6: Final answer
    x = 105,841.53

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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.