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Finding the Fourth Proportional to 253,032.39, 349,206.93 and 139,877.01

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Solution

The fourth proportional to 253,032.39, 349,206.93 and 139,877.01 is: 193,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,032.39 : 349,206.93 = 139,877.01 : x
  2. Step 2: Convert to fraction form
    253,032.39/349,206.93 = 139,877.01/x
  3. Step 3: Cross multiply
    253,032.39x = 349,206.93 × 139,877.01
  4. Step 4: Simplify right side
    253,032.39x = 48,846,021,239.68
  5. Step 5: Solve for x
    x = 48,846,021,239.68/253,032.39
  6. Step 6: Final answer
    x = 193,042.56

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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.