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Finding the Fourth Proportional to 173,406.10, 260,109.15 and 148,036.90

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Solution

The fourth proportional to 173,406.10, 260,109.15 and 148,036.90 is: 222,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406.10 : 260,109.15 = 148,036.90 : x
  2. Step 2: Convert to fraction form
    173,406.10/260,109.15 = 148,036.90/x
  3. Step 3: Cross multiply
    173,406.10x = 260,109.15 × 148,036.90
  4. Step 4: Simplify right side
    173,406.10x = 38,505,752,227.64
  5. Step 5: Solve for x
    x = 38,505,752,227.64/173,406.10
  6. Step 6: Final answer
    x = 222,055.35

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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.