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Finding the Fourth Proportional to 245,888.15, 368,705.32 and 112,654.22

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Solution

The fourth proportional to 245,888.15, 368,705.32 and 112,654.22 is: 168,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,888.15 : 368,705.32 = 112,654.22 : x
  2. Step 2: Convert to fraction form
    245,888.15/368,705.32 = 112,654.22/x
  3. Step 3: Cross multiply
    245,888.15x = 368,705.32 × 112,654.22
  4. Step 4: Simplify right side
    245,888.15x = 41,536,208,109.29
  5. Step 5: Solve for x
    x = 41,536,208,109.29/245,888.15
  6. Step 6: Final answer
    x = 168,923.18

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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.