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Finding the Fourth Proportional to 145,735.07, 218,610.44 and 45,903.08

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Solution

The fourth proportional to 145,735.07, 218,610.44 and 45,903.08 is: 68,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735.07 : 218,610.44 = 45,903.08 : x
  2. Step 2: Convert to fraction form
    145,735.07/218,610.44 = 45,903.08/x
  3. Step 3: Cross multiply
    145,735.07x = 218,610.44 × 45,903.08
  4. Step 4: Simplify right side
    145,735.07x = 10,034,891,193.59
  5. Step 5: Solve for x
    x = 10,034,891,193.59/145,735.07
  6. Step 6: Final answer
    x = 68,857.08

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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.