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Finding the Fourth Proportional to 100,010.10, 149,813.55 and 62,454.90

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Solution

The fourth proportional to 100,010.10, 149,813.55 and 62,454.90 is: 93,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,010.10 : 149,813.55 = 62,454.90 : x
  2. Step 2: Convert to fraction form
    100,010.10/149,813.55 = 62,454.90/x
  3. Step 3: Cross multiply
    100,010.10x = 149,813.55 × 62,454.90
  4. Step 4: Simplify right side
    100,010.10x = 9,356,590,283.90
  5. Step 5: Solve for x
    x = 9,356,590,283.90/100,010.10
  6. Step 6: Final answer
    x = 93,556.45

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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.