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Finding the Fourth Proportional to 174,258.57, 261,421.89 and 55,920.81

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Solution

The fourth proportional to 174,258.57, 261,421.89 and 55,920.81 is: 83,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,258.57 : 261,421.89 = 55,920.81 : x
  2. Step 2: Convert to fraction form
    174,258.57/261,421.89 = 55,920.81/x
  3. Step 3: Cross multiply
    174,258.57x = 261,421.89 × 55,920.81
  4. Step 4: Simplify right side
    174,258.57x = 14,618,923,840.53
  5. Step 5: Solve for x
    x = 14,618,923,840.53/174,258.57
  6. Step 6: Final answer
    x = 83,892.14

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1.5x scale

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.