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Finding the Fourth Proportional to 252,606.88, 348,597.52 and 139,429.66

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Solution

The fourth proportional to 252,606.88, 348,597.52 and 139,429.66 is: 192,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,606.88 : 348,597.52 = 139,429.66 : x
  2. Step 2: Convert to fraction form
    252,606.88/348,597.52 = 139,429.66/x
  3. Step 3: Cross multiply
    252,606.88x = 348,597.52 × 139,429.66
  4. Step 4: Simplify right side
    252,606.88x = 48,604,831,598.88
  5. Step 5: Solve for x
    x = 48,604,831,598.88/252,606.88
  6. Step 6: Final answer
    x = 192,412.94

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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.