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Finding the Fourth Proportional to 140,573.60, 210,860.40 and 134,352.80

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Solution

The fourth proportional to 140,573.60, 210,860.40 and 134,352.80 is: 201,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,573.60 : 210,860.40 = 134,352.80 : x
  2. Step 2: Convert to fraction form
    140,573.60/210,860.40 = 134,352.80/x
  3. Step 3: Cross multiply
    140,573.60x = 210,860.40 × 134,352.80
  4. Step 4: Simplify right side
    140,573.60x = 28,329,685,149.12
  5. Step 5: Solve for x
    x = 28,329,685,149.12/140,573.60
  6. Step 6: Final answer
    x = 201,529.20

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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.