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Finding the Fourth Proportional to 181,463.69, 250,416.65 and 100,889.48

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Solution

The fourth proportional to 181,463.69, 250,416.65 and 100,889.48 is: 139,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,463.69 : 250,416.65 = 100,889.48 : x
  2. Step 2: Convert to fraction form
    181,463.69/250,416.65 = 100,889.48/x
  3. Step 3: Cross multiply
    181,463.69x = 250,416.65 × 100,889.48
  4. Step 4: Simplify right side
    181,463.69x = 25,264,406,480.11
  5. Step 5: Solve for x
    x = 25,264,406,480.11/181,463.69
  6. Step 6: Final answer
    x = 139,225.68

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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.