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Finding the Fourth Proportional to 241,332.40, 333,087.18 and 139,374.46

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Solution

The fourth proportional to 241,332.40, 333,087.18 and 139,374.46 is: 192,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,332.40 : 333,087.18 = 139,374.46 : x
  2. Step 2: Convert to fraction form
    241,332.40/333,087.18 = 139,374.46/x
  3. Step 3: Cross multiply
    241,332.40x = 333,087.18 × 139,374.46
  4. Step 4: Simplify right side
    241,332.40x = 46,423,845,845.42
  5. Step 5: Solve for x
    x = 46,423,845,845.42/241,332.40
  6. Step 6: Final answer
    x = 192,364.75

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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.