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Finding the Fourth Proportional to 163,875.35, 245,692.74 and 69,101.71

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Solution

The fourth proportional to 163,875.35, 245,692.74 and 69,101.71 is: 103,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,875.35 : 245,692.74 = 69,101.71 : x
  2. Step 2: Convert to fraction form
    163,875.35/245,692.74 = 69,101.71/x
  3. Step 3: Cross multiply
    163,875.35x = 245,692.74 × 69,101.71
  4. Step 4: Simplify right side
    163,875.35x = 16,977,788,113.49
  5. Step 5: Solve for x
    x = 16,977,788,113.49/163,875.35
  6. Step 6: Final answer
    x = 103,601.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.