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Finding the Fourth Proportional to 173,594.40, 259,808.40 and 121,106.40

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Solution

The fourth proportional to 173,594.40, 259,808.40 and 121,106.40 is: 181,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,594.40 : 259,808.40 = 121,106.40 : x
  2. Step 2: Convert to fraction form
    173,594.40/259,808.40 = 121,106.40/x
  3. Step 3: Cross multiply
    173,594.40x = 259,808.40 × 121,106.40
  4. Step 4: Simplify right side
    173,594.40x = 31,464,460,013.76
  5. Step 5: Solve for x
    x = 31,464,460,013.76/173,594.40
  6. Step 6: Final answer
    x = 181,252.74

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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.