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Finding the Fourth Proportional to 245,051.73, 338,211.45 and 168,506.73

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Solution

The fourth proportional to 245,051.73, 338,211.45 and 168,506.73 is: 232,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,051.73 : 338,211.45 = 168,506.73 : x
  2. Step 2: Convert to fraction form
    245,051.73/338,211.45 = 168,506.73/x
  3. Step 3: Cross multiply
    245,051.73x = 338,211.45 × 168,506.73
  4. Step 4: Simplify right side
    245,051.73x = 56,990,905,488.06
  5. Step 5: Solve for x
    x = 56,990,905,488.06/245,051.73
  6. Step 6: Final answer
    x = 232,566.84

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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.