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Finding the Fourth Proportional to 116,692.40, 174,973.80 and 46,492.40

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Solution

The fourth proportional to 116,692.40, 174,973.80 and 46,492.40 is: 69,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,692.40 : 174,973.80 = 46,492.40 : x
  2. Step 2: Convert to fraction form
    116,692.40/174,973.80 = 46,492.40/x
  3. Step 3: Cross multiply
    116,692.40x = 174,973.80 × 46,492.40
  4. Step 4: Simplify right side
    116,692.40x = 8,134,951,899.12
  5. Step 5: Solve for x
    x = 8,134,951,899.12/116,692.40
  6. Step 6: Final answer
    x = 69,712.78

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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.