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Finding the Fourth Proportional to 130,436.30, 183,135.70 and 130,436.30

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Solution

The fourth proportional to 130,436.30, 183,135.70 and 130,436.30 is: 183,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,436.30 : 183,135.70 = 130,436.30 : x
  2. Step 2: Convert to fraction form
    130,436.30/183,135.70 = 130,436.30/x
  3. Step 3: Cross multiply
    130,436.30x = 183,135.70 × 130,436.30
  4. Step 4: Simplify right side
    130,436.30x = 23,887,543,105.91
  5. Step 5: Solve for x
    x = 23,887,543,105.91/130,436.30
  6. Step 6: Final answer
    x = 183,135.70

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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.