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Finding the Fourth Proportional to 89,101.40, 133,465.80 and 41,756.90

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Solution

The fourth proportional to 89,101.40, 133,465.80 and 41,756.90 is: 62,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,101.40 : 133,465.80 = 41,756.90 : x
  2. Step 2: Convert to fraction form
    89,101.40/133,465.80 = 41,756.90/x
  3. Step 3: Cross multiply
    89,101.40x = 133,465.80 × 41,756.90
  4. Step 4: Simplify right side
    89,101.40x = 5,573,118,064.02
  5. Step 5: Solve for x
    x = 5,573,118,064.02/89,101.40
  6. Step 6: Final answer
    x = 62,548.04

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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.