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Finding the Fourth Proportional to 220,053.60, 303,665.22 and 124,580.10

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Solution

The fourth proportional to 220,053.60, 303,665.22 and 124,580.10 is: 171,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,053.60 : 303,665.22 = 124,580.10 : x
  2. Step 2: Convert to fraction form
    220,053.60/303,665.22 = 124,580.10/x
  3. Step 3: Cross multiply
    220,053.60x = 303,665.22 × 124,580.10
  4. Step 4: Simplify right side
    220,053.60x = 37,830,643,474.12
  5. Step 5: Solve for x
    x = 37,830,643,474.12/220,053.60
  6. Step 6: Final answer
    x = 171,915.59

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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.