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Finding the Fourth Proportional to 174,804.40, 262,206.60 and 56,479.60

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Solution

The fourth proportional to 174,804.40, 262,206.60 and 56,479.60 is: 84,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,804.40 : 262,206.60 = 56,479.60 : x
  2. Step 2: Convert to fraction form
    174,804.40/262,206.60 = 56,479.60/x
  3. Step 3: Cross multiply
    174,804.40x = 262,206.60 × 56,479.60
  4. Step 4: Simplify right side
    174,804.40x = 14,809,323,885.36
  5. Step 5: Solve for x
    x = 14,809,323,885.36/174,804.40
  6. Step 6: Final answer
    x = 84,719.40

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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.