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Finding the Fourth Proportional to 94,591.70, 141,888.05 and 28,032.40

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Solution

The fourth proportional to 94,591.70, 141,888.05 and 28,032.40 is: 42,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,591.70 : 141,888.05 = 28,032.40 : x
  2. Step 2: Convert to fraction form
    94,591.70/141,888.05 = 28,032.40/x
  3. Step 3: Cross multiply
    94,591.70x = 141,888.05 × 28,032.40
  4. Step 4: Simplify right side
    94,591.70x = 3,977,463,271.88
  5. Step 5: Solve for x
    x = 3,977,463,271.88/94,591.70
  6. Step 6: Final answer
    x = 42,048.76

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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.