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Finding the Fourth Proportional to 130,048.70, 182,418.10 and 130,048.70

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Solution

The fourth proportional to 130,048.70, 182,418.10 and 130,048.70 is: 182,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.70 : 182,418.10 = 130,048.70 : x
  2. Step 2: Convert to fraction form
    130,048.70/182,418.10 = 130,048.70/x
  3. Step 3: Cross multiply
    130,048.70x = 182,418.10 × 130,048.70
  4. Step 4: Simplify right side
    130,048.70x = 23,723,236,761.47
  5. Step 5: Solve for x
    x = 23,723,236,761.47/130,048.70
  6. Step 6: Final answer
    x = 182,418.10

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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.