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Finding the Fourth Proportional to 245,430.05, 368,104.07 and 67,955.00

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Solution

The fourth proportional to 245,430.05, 368,104.07 and 67,955.00 is: 101,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,430.05 : 368,104.07 = 67,955.00 : x
  2. Step 2: Convert to fraction form
    245,430.05/368,104.07 = 67,955.00/x
  3. Step 3: Cross multiply
    245,430.05x = 368,104.07 × 67,955.00
  4. Step 4: Simplify right side
    245,430.05x = 25,014,510,816.81
  5. Step 5: Solve for x
    x = 25,014,510,816.81/245,430.05
  6. Step 6: Final answer
    x = 101,921.14

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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.