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Finding the Fourth Proportional to 130,863.70, 183,623.90 and 130,863.70

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Solution

The fourth proportional to 130,863.70, 183,623.90 and 130,863.70 is: 183,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,863.70 : 183,623.90 = 130,863.70 : x
  2. Step 2: Convert to fraction form
    130,863.70/183,623.90 = 130,863.70/x
  3. Step 3: Cross multiply
    130,863.70x = 183,623.90 × 130,863.70
  4. Step 4: Simplify right side
    130,863.70x = 24,029,702,962.43
  5. Step 5: Solve for x
    x = 24,029,702,962.43/130,863.70
  6. Step 6: Final answer
    x = 183,623.90

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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.