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Finding the Fourth Proportional to 174,931.60, 262,429.80 and 56,606.80

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Solution

The fourth proportional to 174,931.60, 262,429.80 and 56,606.80 is: 84,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,931.60 : 262,429.80 = 56,606.80 : x
  2. Step 2: Convert to fraction form
    174,931.60/262,429.80 = 56,606.80/x
  3. Step 3: Cross multiply
    174,931.60x = 262,429.80 × 56,606.80
  4. Step 4: Simplify right side
    174,931.60x = 14,855,311,202.64
  5. Step 5: Solve for x
    x = 14,855,311,202.64/174,931.60
  6. Step 6: Final answer
    x = 84,920.68

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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.