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Finding the Fourth Proportional to 96,378, 133,083.72 and 60,627.84

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Solution

The fourth proportional to 96,378, 133,083.72 and 60,627.84 is: 83,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,378 : 133,083.72 = 60,627.84 : x
  2. Step 2: Convert to fraction form
    96,378/133,083.72 = 60,627.84/x
  3. Step 3: Cross multiply
    96,378x = 133,083.72 × 60,627.84
  4. Step 4: Simplify right side
    96,378x = 8,068,578,482.76
  5. Step 5: Solve for x
    x = 8,068,578,482.76/96,378
  6. Step 6: Final answer
    x = 83,718.05

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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.