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Finding the Fourth Proportional to 145,504.44, 218,259.36 and 45,662.40

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Solution

The fourth proportional to 145,504.44, 218,259.36 and 45,662.40 is: 68,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,504.44 : 218,259.36 = 45,662.40 : x
  2. Step 2: Convert to fraction form
    145,504.44/218,259.36 = 45,662.40/x
  3. Step 3: Cross multiply
    145,504.44x = 218,259.36 × 45,662.40
  4. Step 4: Simplify right side
    145,504.44x = 9,966,246,200.06
  5. Step 5: Solve for x
    x = 9,966,246,200.06/145,504.44
  6. Step 6: Final answer
    x = 68,494.45

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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.