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Finding the Fourth Proportional to 130,858.20, 183,616.20 and 130,858.20

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Solution

The fourth proportional to 130,858.20, 183,616.20 and 130,858.20 is: 183,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,858.20 : 183,616.20 = 130,858.20 : x
  2. Step 2: Convert to fraction form
    130,858.20/183,616.20 = 130,858.20/x
  3. Step 3: Cross multiply
    130,858.20x = 183,616.20 × 130,858.20
  4. Step 4: Simplify right side
    130,858.20x = 24,027,685,422.84
  5. Step 5: Solve for x
    x = 24,027,685,422.84/130,858.20
  6. Step 6: Final answer
    x = 183,616.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.