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Finding the Fourth Proportional to 286,698.15, 430,101.59 and 94,584.20

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Solution

The fourth proportional to 286,698.15, 430,101.59 and 94,584.20 is: 141,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,698.15 : 430,101.59 = 94,584.20 : x
  2. Step 2: Convert to fraction form
    286,698.15/430,101.59 = 94,584.20/x
  3. Step 3: Cross multiply
    286,698.15x = 430,101.59 × 94,584.20
  4. Step 4: Simplify right side
    286,698.15x = 40,680,812,185.45
  5. Step 5: Solve for x
    x = 40,680,812,185.45/286,698.15
  6. Step 6: Final answer
    x = 141,894.23

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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.