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Finding the Fourth Proportional to 228,116.73, 314,696.44 and 147,570.22

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Solution

The fourth proportional to 228,116.73, 314,696.44 and 147,570.22 is: 203,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,116.73 : 314,696.44 = 147,570.22 : x
  2. Step 2: Convert to fraction form
    228,116.73/314,696.44 = 147,570.22/x
  3. Step 3: Cross multiply
    228,116.73x = 314,696.44 × 147,570.22
  4. Step 4: Simplify right side
    228,116.73x = 46,439,822,884.02
  5. Step 5: Solve for x
    x = 46,439,822,884.02/228,116.73
  6. Step 6: Final answer
    x = 203,579.21

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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.