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Finding the Fourth Proportional to 181,558.70, 250,547.41 and 100,984.49

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Solution

The fourth proportional to 181,558.70, 250,547.41 and 100,984.49 is: 139,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,558.70 : 250,547.41 = 100,984.49 : x
  2. Step 2: Convert to fraction form
    181,558.70/250,547.41 = 100,984.49/x
  3. Step 3: Cross multiply
    181,558.70x = 250,547.41 × 100,984.49
  4. Step 4: Simplify right side
    181,558.70x = 25,301,402,419.67
  5. Step 5: Solve for x
    x = 25,301,402,419.67/181,558.70
  6. Step 6: Final answer
    x = 139,356.60

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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.