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Finding the Fourth Proportional to 125,616.34, 188,461.16 and 50,698.22

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Solution

The fourth proportional to 125,616.34, 188,461.16 and 50,698.22 is: 76,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616.34 : 188,461.16 = 50,698.22 : x
  2. Step 2: Convert to fraction form
    125,616.34/188,461.16 = 50,698.22/x
  3. Step 3: Cross multiply
    125,616.34x = 188,461.16 × 50,698.22
  4. Step 4: Simplify right side
    125,616.34x = 9,554,645,097.64
  5. Step 5: Solve for x
    x = 9,554,645,097.64/125,616.34
  6. Step 6: Final answer
    x = 76,062.12

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1.5x scale

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.