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Finding the Fourth Proportional to 89,897.74, 134,811.55 and 33,707.16

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Solution

The fourth proportional to 89,897.74, 134,811.55 and 33,707.16 is: 50,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,897.74 : 134,811.55 = 33,707.16 : x
  2. Step 2: Convert to fraction form
    89,897.74/134,811.55 = 33,707.16/x
  3. Step 3: Cross multiply
    89,897.74x = 134,811.55 × 33,707.16
  4. Step 4: Simplify right side
    89,897.74x = 4,544,114,485.70
  5. Step 5: Solve for x
    x = 4,544,114,485.70/89,897.74
  6. Step 6: Final answer
    x = 50,547.59

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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.