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Finding the Fourth Proportional to 181,245.60, 250,130.88 and 109,628.64

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Solution

The fourth proportional to 181,245.60, 250,130.88 and 109,628.64 is: 151,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,245.60 : 250,130.88 = 109,628.64 : x
  2. Step 2: Convert to fraction form
    181,245.60/250,130.88 = 109,628.64/x
  3. Step 3: Cross multiply
    181,245.60x = 250,130.88 × 109,628.64
  4. Step 4: Simplify right side
    181,245.60x = 27,421,508,196.40
  5. Step 5: Solve for x
    x = 27,421,508,196.40/181,245.60
  6. Step 6: Final answer
    x = 151,294.75

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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.