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Finding the Fourth Proportional to 101,931.58, 152,664.58 and 48,661.03

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Solution

The fourth proportional to 101,931.58, 152,664.58 and 48,661.03 is: 72,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,931.58 : 152,664.58 = 48,661.03 : x
  2. Step 2: Convert to fraction form
    101,931.58/152,664.58 = 48,661.03/x
  3. Step 3: Cross multiply
    101,931.58x = 152,664.58 × 48,661.03
  4. Step 4: Simplify right side
    101,931.58x = 7,428,815,707.32
  5. Step 5: Solve for x
    x = 7,428,815,707.32/101,931.58
  6. Step 6: Final answer
    x = 72,880.41

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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.