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Finding the Fourth Proportional to 295,107.80, 442,880.40 and 117,742.10

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Solution

The fourth proportional to 295,107.80, 442,880.40 and 117,742.10 is: 176,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,107.80 : 442,880.40 = 117,742.10 : x
  2. Step 2: Convert to fraction form
    295,107.80/442,880.40 = 117,742.10/x
  3. Step 3: Cross multiply
    295,107.80x = 442,880.40 × 117,742.10
  4. Step 4: Simplify right side
    295,107.80x = 52,145,668,344.84
  5. Step 5: Solve for x
    x = 52,145,668,344.84/295,107.80
  6. Step 6: Final answer
    x = 176,700.41

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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.