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Finding the Fourth Proportional to 171,003.74, 235,981.04 and 93,475.94

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Solution

The fourth proportional to 171,003.74, 235,981.04 and 93,475.94 is: 128,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,003.74 : 235,981.04 = 93,475.94 : x
  2. Step 2: Convert to fraction form
    171,003.74/235,981.04 = 93,475.94/x
  3. Step 3: Cross multiply
    171,003.74x = 235,981.04 × 93,475.94
  4. Step 4: Simplify right side
    171,003.74x = 22,058,547,888.89
  5. Step 5: Solve for x
    x = 22,058,547,888.89/171,003.74
  6. Step 6: Final answer
    x = 128,994.54

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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.