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Finding the Fourth Proportional to 125,886.60, 173,723.54 and 69,297.98

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Solution

The fourth proportional to 125,886.60, 173,723.54 and 69,297.98 is: 95,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,886.60 : 173,723.54 = 69,297.98 : x
  2. Step 2: Convert to fraction form
    125,886.60/173,723.54 = 69,297.98/x
  3. Step 3: Cross multiply
    125,886.60x = 173,723.54 × 69,297.98
  4. Step 4: Simplify right side
    125,886.60x = 12,038,689,185.34
  5. Step 5: Solve for x
    x = 12,038,689,185.34/125,886.60
  6. Step 6: Final answer
    x = 95,631.22

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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.