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Finding the Fourth Proportional to 168,307.30, 232,284.49 and 122,962.59

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Solution

The fourth proportional to 168,307.30, 232,284.49 and 122,962.59 is: 169,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,307.30 : 232,284.49 = 122,962.59 : x
  2. Step 2: Convert to fraction form
    168,307.30/232,284.49 = 122,962.59/x
  3. Step 3: Cross multiply
    168,307.30x = 232,284.49 × 122,962.59
  4. Step 4: Simplify right side
    168,307.30x = 28,562,302,891.49
  5. Step 5: Solve for x
    x = 28,562,302,891.49/168,307.30
  6. Step 6: Final answer
    x = 169,703.29

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1.5x scale

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.