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Finding the Fourth Proportional to 58,155.60, 87,233.40 and 46,491.60

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Solution

The fourth proportional to 58,155.60, 87,233.40 and 46,491.60 is: 69,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,155.60 : 87,233.40 = 46,491.60 : x
  2. Step 2: Convert to fraction form
    58,155.60/87,233.40 = 46,491.60/x
  3. Step 3: Cross multiply
    58,155.60x = 87,233.40 × 46,491.60
  4. Step 4: Simplify right side
    58,155.60x = 4,055,620,339.44
  5. Step 5: Solve for x
    x = 4,055,620,339.44/58,155.60
  6. Step 6: Final answer
    x = 69,737.40

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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.