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Finding the Fourth Proportional to 125,762.47, 173,548.74 and 69,173.89

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Solution

The fourth proportional to 125,762.47, 173,548.74 and 69,173.89 is: 95,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,762.47 : 173,548.74 = 69,173.89 : x
  2. Step 2: Convert to fraction form
    125,762.47/173,548.74 = 69,173.89/x
  3. Step 3: Cross multiply
    125,762.47x = 173,548.74 × 69,173.89
  4. Step 4: Simplify right side
    125,762.47x = 12,005,041,450.40
  5. Step 5: Solve for x
    x = 12,005,041,450.40/125,762.47
  6. Step 6: Final answer
    x = 95,458.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.