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Finding the Fourth Proportional to 70,172.73, 96,804.54 and 51,022.80

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Solution

The fourth proportional to 70,172.73, 96,804.54 and 51,022.80 is: 70,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.73 : 96,804.54 = 51,022.80 : x
  2. Step 2: Convert to fraction form
    70,172.73/96,804.54 = 51,022.80/x
  3. Step 3: Cross multiply
    70,172.73x = 96,804.54 × 51,022.80
  4. Step 4: Simplify right side
    70,172.73x = 4,939,238,683.51
  5. Step 5: Solve for x
    x = 4,939,238,683.51/70,172.73
  6. Step 6: Final answer
    x = 70,386.87

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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.