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Finding the Fourth Proportional to 207,994.77, 312,038.82 and 65,848.54

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Solution

The fourth proportional to 207,994.77, 312,038.82 and 65,848.54 is: 98,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,994.77 : 312,038.82 = 65,848.54 : x
  2. Step 2: Convert to fraction form
    207,994.77/312,038.82 = 65,848.54/x
  3. Step 3: Cross multiply
    207,994.77x = 312,038.82 × 65,848.54
  4. Step 4: Simplify right side
    207,994.77x = 20,547,300,720.32
  5. Step 5: Solve for x
    x = 20,547,300,720.32/207,994.77
  6. Step 6: Final answer
    x = 98,787.59

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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.