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Finding the Fourth Proportional to 168,803.36, 232,972.80 and 97,176.32

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Solution

The fourth proportional to 168,803.36, 232,972.80 and 97,176.32 is: 134,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,803.36 : 232,972.80 = 97,176.32 : x
  2. Step 2: Convert to fraction form
    168,803.36/232,972.80 = 97,176.32/x
  3. Step 3: Cross multiply
    168,803.36x = 232,972.80 × 97,176.32
  4. Step 4: Simplify right side
    168,803.36x = 22,639,439,364.10
  5. Step 5: Solve for x
    x = 22,639,439,364.10/168,803.36
  6. Step 6: Final answer
    x = 134,117.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.