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Finding the Fourth Proportional to 235,364, 324,849.48 and 139,852.16

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Solution

The fourth proportional to 235,364, 324,849.48 and 139,852.16 is: 193,024.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,364 : 324,849.48 = 139,852.16 : x
  2. Step 2: Convert to fraction form
    235,364/324,849.48 = 139,852.16/x
  3. Step 3: Cross multiply
    235,364x = 324,849.48 × 139,852.16
  4. Step 4: Simplify right side
    235,364x = 45,430,901,452.88
  5. Step 5: Solve for x
    x = 45,430,901,452.88/235,364
  6. Step 6: Final answer
    x = 193,024.00

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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.