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Finding the Fourth Proportional to 130,012.30, 182,542.10 and 130,012.30

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Solution

The fourth proportional to 130,012.30, 182,542.10 and 130,012.30 is: 182,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,012.30 : 182,542.10 = 130,012.30 : x
  2. Step 2: Convert to fraction form
    130,012.30/182,542.10 = 130,012.30/x
  3. Step 3: Cross multiply
    130,012.30x = 182,542.10 × 130,012.30
  4. Step 4: Simplify right side
    130,012.30x = 23,732,718,267.83
  5. Step 5: Solve for x
    x = 23,732,718,267.83/130,012.30
  6. Step 6: Final answer
    x = 182,542.10

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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.