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Finding the Fourth Proportional to 102,550.60, 153,825.90 and 93,219.40

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Solution

The fourth proportional to 102,550.60, 153,825.90 and 93,219.40 is: 139,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,550.60 : 153,825.90 = 93,219.40 : x
  2. Step 2: Convert to fraction form
    102,550.60/153,825.90 = 93,219.40/x
  3. Step 3: Cross multiply
    102,550.60x = 153,825.90 × 93,219.40
  4. Step 4: Simplify right side
    102,550.60x = 14,339,558,102.46
  5. Step 5: Solve for x
    x = 14,339,558,102.46/102,550.60
  6. Step 6: Final answer
    x = 139,829.10

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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.