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Finding the Fourth Proportional to 254,219.39, 350,816.08 and 139,497.68

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Solution

The fourth proportional to 254,219.39, 350,816.08 and 139,497.68 is: 192,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,219.39 : 350,816.08 = 139,497.68 : x
  2. Step 2: Convert to fraction form
    254,219.39/350,816.08 = 139,497.68/x
  3. Step 3: Cross multiply
    254,219.39x = 350,816.08 × 139,497.68
  4. Step 4: Simplify right side
    254,219.39x = 48,938,026,815.13
  5. Step 5: Solve for x
    x = 48,938,026,815.13/254,219.39
  6. Step 6: Final answer
    x = 192,503.13

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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.