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Finding the Fourth Proportional to 140,480.36, 210,676.56 and 46,964.24

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Solution

The fourth proportional to 140,480.36, 210,676.56 and 46,964.24 is: 70,431.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,480.36 : 210,676.56 = 46,964.24 : x
  2. Step 2: Convert to fraction form
    140,480.36/210,676.56 = 46,964.24/x
  3. Step 3: Cross multiply
    140,480.36x = 210,676.56 × 46,964.24
  4. Step 4: Simplify right side
    140,480.36x = 9,894,264,526.21
  5. Step 5: Solve for x
    x = 9,894,264,526.21/140,480.36
  6. Step 6: Final answer
    x = 70,431.66

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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.