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Finding the Fourth Proportional to 190,506.33, 285,930.80 and 101,835.63

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Solution

The fourth proportional to 190,506.33, 285,930.80 and 101,835.63 is: 152,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,506.33 : 285,930.80 = 101,835.63 : x
  2. Step 2: Convert to fraction form
    190,506.33/285,930.80 = 101,835.63/x
  3. Step 3: Cross multiply
    190,506.33x = 285,930.80 × 101,835.63
  4. Step 4: Simplify right side
    190,506.33x = 29,117,943,154.40
  5. Step 5: Solve for x
    x = 29,117,943,154.40/190,506.33
  6. Step 6: Final answer
    x = 152,845.02

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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.