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Finding the Fourth Proportional to 293,210.60, 439,815.90 and 96,218.60

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Solution

The fourth proportional to 293,210.60, 439,815.90 and 96,218.60 is: 144,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,210.60 : 439,815.90 = 96,218.60 : x
  2. Step 2: Convert to fraction form
    293,210.60/439,815.90 = 96,218.60/x
  3. Step 3: Cross multiply
    293,210.60x = 439,815.90 × 96,218.60
  4. Step 4: Simplify right side
    293,210.60x = 42,318,470,155.74
  5. Step 5: Solve for x
    x = 42,318,470,155.74/293,210.60
  6. Step 6: Final answer
    x = 144,327.90

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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.