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Finding the Fourth Proportional to 144,043.84, 198,768 and 93,058.88

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Solution

The fourth proportional to 144,043.84, 198,768 and 93,058.88 is: 128,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,043.84 : 198,768 = 93,058.88 : x
  2. Step 2: Convert to fraction form
    144,043.84/198,768 = 93,058.88/x
  3. Step 3: Cross multiply
    144,043.84x = 198,768 × 93,058.88
  4. Step 4: Simplify right side
    144,043.84x = 18,497,127,459.84
  5. Step 5: Solve for x
    x = 18,497,127,459.84/144,043.84
  6. Step 6: Final answer
    x = 128,413.18

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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.