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Finding the Fourth Proportional to 144,762.63, 217,390.59 and 94,247.70

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Solution

The fourth proportional to 144,762.63, 217,390.59 and 94,247.70 is: 141,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,762.63 : 217,390.59 = 94,247.70 : x
  2. Step 2: Convert to fraction form
    144,762.63/217,390.59 = 94,247.70/x
  3. Step 3: Cross multiply
    144,762.63x = 217,390.59 × 94,247.70
  4. Step 4: Simplify right side
    144,762.63x = 20,488,563,109.14
  5. Step 5: Solve for x
    x = 20,488,563,109.14/144,762.63
  6. Step 6: Final answer
    x = 141,532.13

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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.