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Finding the Fourth Proportional to 254,573, 351,293.84 and 139,829.32

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Solution

The fourth proportional to 254,573, 351,293.84 and 139,829.32 is: 192,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,573 : 351,293.84 = 139,829.32 : x
  2. Step 2: Convert to fraction form
    254,573/351,293.84 = 139,829.32/x
  3. Step 3: Cross multiply
    254,573x = 351,293.84 × 139,829.32
  4. Step 4: Simplify right side
    254,573x = 49,121,178,767.39
  5. Step 5: Solve for x
    x = 49,121,178,767.39/254,573
  6. Step 6: Final answer
    x = 192,955.18

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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.