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Finding the Fourth Proportional to 181,858.79, 272,613.22 and 93,154.07

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Solution

The fourth proportional to 181,858.79, 272,613.22 and 93,154.07 is: 139,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,858.79 : 272,613.22 = 93,154.07 : x
  2. Step 2: Convert to fraction form
    181,858.79/272,613.22 = 93,154.07/x
  3. Step 3: Cross multiply
    181,858.79x = 272,613.22 × 93,154.07
  4. Step 4: Simplify right side
    181,858.79x = 25,395,030,978.81
  5. Step 5: Solve for x
    x = 25,395,030,978.81/181,858.79
  6. Step 6: Final answer
    x = 139,641.48

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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.