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Finding the Fourth Proportional to 168,658.16, 232,746.12 and 93,205.04

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Solution

The fourth proportional to 168,658.16, 232,746.12 and 93,205.04 is: 128,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.16 : 232,746.12 = 93,205.04 : x
  2. Step 2: Convert to fraction form
    168,658.16/232,746.12 = 93,205.04/x
  3. Step 3: Cross multiply
    168,658.16x = 232,746.12 × 93,205.04
  4. Step 4: Simplify right side
    168,658.16x = 21,693,111,424.44
  5. Step 5: Solve for x
    x = 21,693,111,424.44/168,658.16
  6. Step 6: Final answer
    x = 128,621.77

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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.