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Finding the Fourth Proportional to 134,420.30, 201,739.80 and 130,046.30

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Solution

The fourth proportional to 134,420.30, 201,739.80 and 130,046.30 is: 195,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,420.30 : 201,739.80 = 130,046.30 : x
  2. Step 2: Convert to fraction form
    134,420.30/201,739.80 = 130,046.30/x
  3. Step 3: Cross multiply
    134,420.30x = 201,739.80 × 130,046.30
  4. Step 4: Simplify right side
    134,420.30x = 26,235,514,552.74
  5. Step 5: Solve for x
    x = 26,235,514,552.74/134,420.30
  6. Step 6: Final answer
    x = 195,175.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.