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Finding the Fourth Proportional to 144,048.60, 215,943.30 and 94,152.60

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Solution

The fourth proportional to 144,048.60, 215,943.30 and 94,152.60 is: 141,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,048.60 : 215,943.30 = 94,152.60 : x
  2. Step 2: Convert to fraction form
    144,048.60/215,943.30 = 94,152.60/x
  3. Step 3: Cross multiply
    144,048.60x = 215,943.30 × 94,152.60
  4. Step 4: Simplify right side
    144,048.60x = 20,331,623,147.58
  5. Step 5: Solve for x
    x = 20,331,623,147.58/144,048.60
  6. Step 6: Final answer
    x = 141,144.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.