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Finding the Fourth Proportional to 242,465.04, 334,485.99 and 188,379.90

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Solution

The fourth proportional to 242,465.04, 334,485.99 and 188,379.90 is: 259,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,465.04 : 334,485.99 = 188,379.90 : x
  2. Step 2: Convert to fraction form
    242,465.04/334,485.99 = 188,379.90/x
  3. Step 3: Cross multiply
    242,465.04x = 334,485.99 × 188,379.90
  4. Step 4: Simplify right side
    242,465.04x = 63,010,437,347.60
  5. Step 5: Solve for x
    x = 63,010,437,347.60/242,465.04
  6. Step 6: Final answer
    x = 259,874.32

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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.