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Finding the Fourth Proportional to 235,767, 325,391.40 and 151,064.50

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Solution

The fourth proportional to 235,767, 325,391.40 and 151,064.50 is: 208,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,767 : 325,391.40 = 151,064.50 : x
  2. Step 2: Convert to fraction form
    235,767/325,391.40 = 151,064.50/x
  3. Step 3: Cross multiply
    235,767x = 325,391.40 × 151,064.50
  4. Step 4: Simplify right side
    235,767x = 49,155,089,145.30
  5. Step 5: Solve for x
    x = 49,155,089,145.30/235,767
  6. Step 6: Final answer
    x = 208,490.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.