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Finding the Fourth Proportional to 140,393.58, 210,567.42 and 46,899.06

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Solution

The fourth proportional to 140,393.58, 210,567.42 and 46,899.06 is: 70,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,393.58 : 210,567.42 = 46,899.06 : x
  2. Step 2: Convert to fraction form
    140,393.58/210,567.42 = 46,899.06/x
  3. Step 3: Cross multiply
    140,393.58x = 210,567.42 × 46,899.06
  4. Step 4: Simplify right side
    140,393.58x = 9,875,414,064.63
  5. Step 5: Solve for x
    x = 9,875,414,064.63/140,393.58
  6. Step 6: Final answer
    x = 70,340.92

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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.