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Finding the Fourth Proportional to 190,445.71, 285,665.71 and 46,352.02

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Solution

The fourth proportional to 190,445.71, 285,665.71 and 46,352.02 is: 69,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,445.71 : 285,665.71 = 46,352.02 : x
  2. Step 2: Convert to fraction form
    190,445.71/285,665.71 = 46,352.02/x
  3. Step 3: Cross multiply
    190,445.71x = 285,665.71 × 46,352.02
  4. Step 4: Simplify right side
    190,445.71x = 13,241,183,429.52
  5. Step 5: Solve for x
    x = 13,241,183,429.52/190,445.71
  6. Step 6: Final answer
    x = 69,527.34

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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.