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Finding the Fourth Proportional to 140,314.70, 210,339.48 and 46,754.84

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Solution

The fourth proportional to 140,314.70, 210,339.48 and 46,754.84 is: 70,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,314.70 : 210,339.48 = 46,754.84 : x
  2. Step 2: Convert to fraction form
    140,314.70/210,339.48 = 46,754.84/x
  3. Step 3: Cross multiply
    140,314.70x = 210,339.48 × 46,754.84
  4. Step 4: Simplify right side
    140,314.70x = 9,834,388,733.08
  5. Step 5: Solve for x
    x = 9,834,388,733.08/140,314.70
  6. Step 6: Final answer
    x = 70,088.09

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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.