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Finding the Fourth Proportional to 173,762.60, 260,665.36 and 61,419.65

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Solution

The fourth proportional to 173,762.60, 260,665.36 and 61,419.65 is: 92,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,762.60 : 260,665.36 = 61,419.65 : x
  2. Step 2: Convert to fraction form
    173,762.60/260,665.36 = 61,419.65/x
  3. Step 3: Cross multiply
    173,762.60x = 260,665.36 × 61,419.65
  4. Step 4: Simplify right side
    173,762.60x = 16,009,973,567.90
  5. Step 5: Solve for x
    x = 16,009,973,567.90/173,762.60
  6. Step 6: Final answer
    x = 92,137.05

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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.