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Finding the Fourth Proportional to 181,647.90, 250,683.93 and 101,077.16

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Solution

The fourth proportional to 181,647.90, 250,683.93 and 101,077.16 is: 139,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,647.90 : 250,683.93 = 101,077.16 : x
  2. Step 2: Convert to fraction form
    181,647.90/250,683.93 = 101,077.16/x
  3. Step 3: Cross multiply
    181,647.90x = 250,683.93 × 101,077.16
  4. Step 4: Simplify right side
    181,647.90x = 25,338,418,448.62
  5. Step 5: Solve for x
    x = 25,338,418,448.62/181,647.90
  6. Step 6: Final answer
    x = 139,491.94

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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.