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Finding the Fourth Proportional to 125,957.45, 173,829.15 and 69,368.82

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Solution

The fourth proportional to 125,957.45, 173,829.15 and 69,368.82 is: 95,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,957.45 : 173,829.15 = 69,368.82 : x
  2. Step 2: Convert to fraction form
    125,957.45/173,829.15 = 69,368.82/x
  3. Step 3: Cross multiply
    125,957.45x = 173,829.15 × 69,368.82
  4. Step 4: Simplify right side
    125,957.45x = 12,058,323,017.10
  5. Step 5: Solve for x
    x = 12,058,323,017.10/125,957.45
  6. Step 6: Final answer
    x = 95,733.31

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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.