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Finding the Fourth Proportional to 69,477.60, 104,216.40 and 62,090.40

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Solution

The fourth proportional to 69,477.60, 104,216.40 and 62,090.40 is: 93,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,477.60 : 104,216.40 = 62,090.40 : x
  2. Step 2: Convert to fraction form
    69,477.60/104,216.40 = 62,090.40/x
  3. Step 3: Cross multiply
    69,477.60x = 104,216.40 × 62,090.40
  4. Step 4: Simplify right side
    69,477.60x = 6,470,837,962.56
  5. Step 5: Solve for x
    x = 6,470,837,962.56/69,477.60
  6. Step 6: Final answer
    x = 93,135.60

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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.