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Finding the Fourth Proportional to 581,861.04, 872,692.56 and 161,038.32

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Solution

The fourth proportional to 581,861.04, 872,692.56 and 161,038.32 is: 241,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,861.04 : 872,692.56 = 161,038.32 : x
  2. Step 2: Convert to fraction form
    581,861.04/872,692.56 = 161,038.32/x
  3. Step 3: Cross multiply
    581,861.04x = 872,692.56 × 161,038.32
  4. Step 4: Simplify right side
    581,861.04x = 140,536,943,738.90
  5. Step 5: Solve for x
    x = 140,536,943,738.90/581,861.04
  6. Step 6: Final answer
    x = 241,530.08

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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.