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Finding the Fourth Proportional to 89,671.77, 134,437.93 and 58,014.94

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Solution

The fourth proportional to 89,671.77, 134,437.93 and 58,014.94 is: 86,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,671.77 : 134,437.93 = 58,014.94 : x
  2. Step 2: Convert to fraction form
    89,671.77/134,437.93 = 58,014.94/x
  3. Step 3: Cross multiply
    89,671.77x = 134,437.93 × 58,014.94
  4. Step 4: Simplify right side
    89,671.77x = 7,799,408,152.60
  5. Step 5: Solve for x
    x = 7,799,408,152.60/89,671.77
  6. Step 6: Final answer
    x = 86,977.30

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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.