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Finding the Fourth Proportional to 254,549.60, 351,257.52 and 139,822.34

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Solution

The fourth proportional to 254,549.60, 351,257.52 and 139,822.34 is: 192,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,549.60 : 351,257.52 = 139,822.34 : x
  2. Step 2: Convert to fraction form
    254,549.60/351,257.52 = 139,822.34/x
  3. Step 3: Cross multiply
    254,549.60x = 351,257.52 × 139,822.34
  4. Step 4: Simplify right side
    254,549.60x = 49,113,648,389.00
  5. Step 5: Solve for x
    x = 49,113,648,389.00/254,549.60
  6. Step 6: Final answer
    x = 192,943.33

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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.