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Finding the Fourth Proportional to 255,300.60, 382,951.86 and 89,088.60

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Solution

The fourth proportional to 255,300.60, 382,951.86 and 89,088.60 is: 133,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,300.60 : 382,951.86 = 89,088.60 : x
  2. Step 2: Convert to fraction form
    255,300.60/382,951.86 = 89,088.60/x
  3. Step 3: Cross multiply
    255,300.60x = 382,951.86 × 89,088.60
  4. Step 4: Simplify right side
    255,300.60x = 34,116,645,074.80
  5. Step 5: Solve for x
    x = 34,116,645,074.80/255,300.60
  6. Step 6: Final answer
    x = 133,633.23

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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.