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Finding the Fourth Proportional to 140,594.56, 210,851.55 and 45,833.02

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Solution

The fourth proportional to 140,594.56, 210,851.55 and 45,833.02 is: 68,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,594.56 : 210,851.55 = 45,833.02 : x
  2. Step 2: Convert to fraction form
    140,594.56/210,851.55 = 45,833.02/x
  3. Step 3: Cross multiply
    140,594.56x = 210,851.55 × 45,833.02
  4. Step 4: Simplify right side
    140,594.56x = 9,663,963,308.18
  5. Step 5: Solve for x
    x = 9,663,963,308.18/140,594.56
  6. Step 6: Final answer
    x = 68,736.40

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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.