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Finding the Fourth Proportional to 303,987.85, 456,030.78 and 93,625.72

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Solution

The fourth proportional to 303,987.85, 456,030.78 and 93,625.72 is: 140,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,987.85 : 456,030.78 = 93,625.72 : x
  2. Step 2: Convert to fraction form
    303,987.85/456,030.78 = 93,625.72/x
  3. Step 3: Cross multiply
    303,987.85x = 456,030.78 × 93,625.72
  4. Step 4: Simplify right side
    303,987.85x = 42,696,210,119.66
  5. Step 5: Solve for x
    x = 42,696,210,119.66/303,987.85
  6. Step 6: Final answer
    x = 140,453.67

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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.