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Finding the Fourth Proportional to 109,323.14, 163,880.13 and 42,741.14

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Solution

The fourth proportional to 109,323.14, 163,880.13 and 42,741.14 is: 64,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,323.14 : 163,880.13 = 42,741.14 : x
  2. Step 2: Convert to fraction form
    109,323.14/163,880.13 = 42,741.14/x
  3. Step 3: Cross multiply
    109,323.14x = 163,880.13 × 42,741.14
  4. Step 4: Simplify right side
    109,323.14x = 7,004,423,579.55
  5. Step 5: Solve for x
    x = 7,004,423,579.55/109,323.14
  6. Step 6: Final answer
    x = 64,070.82

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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.