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Finding the Fourth Proportional to 125,779.40, 173,566.08 and 69,194.44

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Solution

The fourth proportional to 125,779.40, 173,566.08 and 69,194.44 is: 95,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,779.40 : 173,566.08 = 69,194.44 : x
  2. Step 2: Convert to fraction form
    125,779.40/173,566.08 = 69,194.44/x
  3. Step 3: Cross multiply
    125,779.40x = 173,566.08 × 69,194.44
  4. Step 4: Simplify right side
    125,779.40x = 12,009,807,708.60
  5. Step 5: Solve for x
    x = 12,009,807,708.60/125,779.40
  6. Step 6: Final answer
    x = 95,483.11

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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.