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Finding the Fourth Proportional to 173,749.40, 260,599.80 and 55,432.70

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Solution

The fourth proportional to 173,749.40, 260,599.80 and 55,432.70 is: 83,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,749.40 : 260,599.80 = 55,432.70 : x
  2. Step 2: Convert to fraction form
    173,749.40/260,599.80 = 55,432.70/x
  3. Step 3: Cross multiply
    173,749.40x = 260,599.80 × 55,432.70
  4. Step 4: Simplify right side
    173,749.40x = 14,445,750,533.46
  5. Step 5: Solve for x
    x = 14,445,750,533.46/173,749.40
  6. Step 6: Final answer
    x = 83,141.30

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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.