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Finding the Fourth Proportional to 321,366.70, 482,047.62 and 96,726.16

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Solution

The fourth proportional to 321,366.70, 482,047.62 and 96,726.16 is: 145,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,366.70 : 482,047.62 = 96,726.16 : x
  2. Step 2: Convert to fraction form
    321,366.70/482,047.62 = 96,726.16/x
  3. Step 3: Cross multiply
    321,366.70x = 482,047.62 × 96,726.16
  4. Step 4: Simplify right side
    321,366.70x = 46,626,615,219.74
  5. Step 5: Solve for x
    x = 46,626,615,219.74/321,366.70
  6. Step 6: Final answer
    x = 145,088.51

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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.