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Finding the Fourth Proportional to 123,484.44, 185,225.28 and 29,990.28

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Solution

The fourth proportional to 123,484.44, 185,225.28 and 29,990.28 is: 44,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,484.44 : 185,225.28 = 29,990.28 : x
  2. Step 2: Convert to fraction form
    123,484.44/185,225.28 = 29,990.28/x
  3. Step 3: Cross multiply
    123,484.44x = 185,225.28 × 29,990.28
  4. Step 4: Simplify right side
    123,484.44x = 5,554,958,010.28
  5. Step 5: Solve for x
    x = 5,554,958,010.28/123,484.44
  6. Step 6: Final answer
    x = 44,985.08

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1.5x scale

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.