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Finding the Fourth Proportional to 245,558.66, 368,301.53 and 68,047.16

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Solution

The fourth proportional to 245,558.66, 368,301.53 and 68,047.16 is: 102,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,558.66 : 368,301.53 = 68,047.16 : x
  2. Step 2: Convert to fraction form
    245,558.66/368,301.53 = 68,047.16/x
  3. Step 3: Cross multiply
    245,558.66x = 368,301.53 × 68,047.16
  4. Step 4: Simplify right side
    245,558.66x = 25,061,871,468.77
  5. Step 5: Solve for x
    x = 25,061,871,468.77/245,558.66
  6. Step 6: Final answer
    x = 102,060.63

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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.