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Finding the Fourth Proportional to 181,533.48, 250,480.32 and 109,920.16

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Solution

The fourth proportional to 181,533.48, 250,480.32 and 109,920.16 is: 151,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,533.48 : 250,480.32 = 109,920.16 : x
  2. Step 2: Convert to fraction form
    181,533.48/250,480.32 = 109,920.16/x
  3. Step 3: Cross multiply
    181,533.48x = 250,480.32 × 109,920.16
  4. Step 4: Simplify right side
    181,533.48x = 27,532,836,851.25
  5. Step 5: Solve for x
    x = 27,532,836,851.25/181,533.48
  6. Step 6: Final answer
    x = 151,668.09

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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.