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Finding the Fourth Proportional to 174,017.60, 261,026.40 and 118,721.60

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Solution

The fourth proportional to 174,017.60, 261,026.40 and 118,721.60 is: 178,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,017.60 : 261,026.40 = 118,721.60 : x
  2. Step 2: Convert to fraction form
    174,017.60/261,026.40 = 118,721.60/x
  3. Step 3: Cross multiply
    174,017.60x = 261,026.40 × 118,721.60
  4. Step 4: Simplify right side
    174,017.60x = 30,989,471,850.24
  5. Step 5: Solve for x
    x = 30,989,471,850.24/174,017.60
  6. Step 6: Final answer
    x = 178,082.40

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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.