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Finding the Fourth Proportional to 140,063.14, 210,094.59 and 51,323.59

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Solution

The fourth proportional to 140,063.14, 210,094.59 and 51,323.59 is: 76,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,063.14 : 210,094.59 = 51,323.59 : x
  2. Step 2: Convert to fraction form
    140,063.14/210,094.59 = 51,323.59/x
  3. Step 3: Cross multiply
    140,063.14x = 210,094.59 × 51,323.59
  4. Step 4: Simplify right side
    140,063.14x = 10,782,809,053.46
  5. Step 5: Solve for x
    x = 10,782,809,053.46/140,063.14
  6. Step 6: Final answer
    x = 76,985.34

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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.