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Finding the Fourth Proportional to 245,014.93, 367,030.30 and 111,711.81

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Solution

The fourth proportional to 245,014.93, 367,030.30 and 111,711.81 is: 167,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,014.93 : 367,030.30 = 111,711.81 : x
  2. Step 2: Convert to fraction form
    245,014.93/367,030.30 = 111,711.81/x
  3. Step 3: Cross multiply
    245,014.93x = 367,030.30 × 111,711.81
  4. Step 4: Simplify right side
    245,014.93x = 41,001,619,137.84
  5. Step 5: Solve for x
    x = 41,001,619,137.84/245,014.93
  6. Step 6: Final answer
    x = 167,343.35

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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.