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Finding the Fourth Proportional to 224,655.86, 310,093.72 and 138,641.14

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Solution

The fourth proportional to 224,655.86, 310,093.72 and 138,641.14 is: 191,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,655.86 : 310,093.72 = 138,641.14 : x
  2. Step 2: Convert to fraction form
    224,655.86/310,093.72 = 138,641.14/x
  3. Step 3: Cross multiply
    224,655.86x = 310,093.72 × 138,641.14
  4. Step 4: Simplify right side
    224,655.86x = 42,991,746,847.64
  5. Step 5: Solve for x
    x = 42,991,746,847.64/224,655.86
  6. Step 6: Final answer
    x = 191,367.13

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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.