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Finding the Fourth Proportional to 190,629, 285,938.87 and 46,535.85

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Solution

The fourth proportional to 190,629, 285,938.87 and 46,535.85 is: 69,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629 : 285,938.87 = 46,535.85 : x
  2. Step 2: Convert to fraction form
    190,629/285,938.87 = 46,535.85/x
  3. Step 3: Cross multiply
    190,629x = 285,938.87 × 46,535.85
  4. Step 4: Simplify right side
    190,629x = 13,306,408,130.81
  5. Step 5: Solve for x
    x = 13,306,408,130.81/190,629
  6. Step 6: Final answer
    x = 69,802.64

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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.