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Finding the Fourth Proportional to 125,692.29, 173,430.50 and 70,503.39

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Solution

The fourth proportional to 125,692.29, 173,430.50 and 70,503.39 is: 97,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,692.29 : 173,430.50 = 70,503.39 : x
  2. Step 2: Convert to fraction form
    125,692.29/173,430.50 = 70,503.39/x
  3. Step 3: Cross multiply
    125,692.29x = 173,430.50 × 70,503.39
  4. Step 4: Simplify right side
    125,692.29x = 12,227,437,826.88
  5. Step 5: Solve for x
    x = 12,227,437,826.88/125,692.29
  6. Step 6: Final answer
    x = 97,280.73

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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.