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Finding the Fourth Proportional to 210,180.40, 290,055.95 and 114,692.34

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Solution

The fourth proportional to 210,180.40, 290,055.95 and 114,692.34 is: 158,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,180.40 : 290,055.95 = 114,692.34 : x
  2. Step 2: Convert to fraction form
    210,180.40/290,055.95 = 114,692.34/x
  3. Step 3: Cross multiply
    210,180.40x = 290,055.95 × 114,692.34
  4. Step 4: Simplify right side
    210,180.40x = 33,267,195,636.42
  5. Step 5: Solve for x
    x = 33,267,195,636.42/210,180.40
  6. Step 6: Final answer
    x = 158,279.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.