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Finding the Fourth Proportional to 301,303.60, 451,981.67 and 98,839.00

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Solution

The fourth proportional to 301,303.60, 451,981.67 and 98,839.00 is: 148,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,303.60 : 451,981.67 = 98,839.00 : x
  2. Step 2: Convert to fraction form
    301,303.60/451,981.67 = 98,839.00/x
  3. Step 3: Cross multiply
    301,303.60x = 451,981.67 × 98,839.00
  4. Step 4: Simplify right side
    301,303.60x = 44,673,414,656.98
  5. Step 5: Solve for x
    x = 44,673,414,656.98/301,303.60
  6. Step 6: Final answer
    x = 148,267.11

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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.