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Finding the Fourth Proportional to 101,491.94, 152,137.51 and 48,090.11

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Solution

The fourth proportional to 101,491.94, 152,137.51 and 48,090.11 is: 72,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,491.94 : 152,137.51 = 48,090.11 : x
  2. Step 2: Convert to fraction form
    101,491.94/152,137.51 = 48,090.11/x
  3. Step 3: Cross multiply
    101,491.94x = 152,137.51 × 48,090.11
  4. Step 4: Simplify right side
    101,491.94x = 7,316,308,710.11
  5. Step 5: Solve for x
    x = 7,316,308,710.11/101,491.94
  6. Step 6: Final answer
    x = 72,087.58

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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.