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Finding the Fourth Proportional to 147,803.94, 221,760.99 and 88,682.04

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Solution

The fourth proportional to 147,803.94, 221,760.99 and 88,682.04 is: 133,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,803.94 : 221,760.99 = 88,682.04 : x
  2. Step 2: Convert to fraction form
    147,803.94/221,760.99 = 88,682.04/x
  3. Step 3: Cross multiply
    147,803.94x = 221,760.99 × 88,682.04
  4. Step 4: Simplify right side
    147,803.94x = 19,666,216,985.62
  5. Step 5: Solve for x
    x = 19,666,216,985.62/147,803.94
  6. Step 6: Final answer
    x = 133,056.11

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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.