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Finding the Fourth Proportional to 210,607.04, 290,597.40 and 119,961.02

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Solution

The fourth proportional to 210,607.04, 290,597.40 and 119,961.02 is: 165,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,607.04 : 290,597.40 = 119,961.02 : x
  2. Step 2: Convert to fraction form
    210,607.04/290,597.40 = 119,961.02/x
  3. Step 3: Cross multiply
    210,607.04x = 290,597.40 × 119,961.02
  4. Step 4: Simplify right side
    210,607.04x = 34,860,359,267.84
  5. Step 5: Solve for x
    x = 34,860,359,267.84/210,607.04
  6. Step 6: Final answer
    x = 165,523.24

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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.