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Finding the Fourth Proportional to 173,849.60, 260,709.60 and 121,102.40

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Solution

The fourth proportional to 173,849.60, 260,709.60 and 121,102.40 is: 181,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,849.60 : 260,709.60 = 121,102.40 : x
  2. Step 2: Convert to fraction form
    173,849.60/260,709.60 = 121,102.40/x
  3. Step 3: Cross multiply
    173,849.60x = 260,709.60 × 121,102.40
  4. Step 4: Simplify right side
    173,849.60x = 31,572,558,263.04
  5. Step 5: Solve for x
    x = 31,572,558,263.04/173,849.60
  6. Step 6: Final answer
    x = 181,608.46

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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.