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Finding the Fourth Proportional to 90,592.62, 125,013.62 and 50,308.94

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Solution

The fourth proportional to 90,592.62, 125,013.62 and 50,308.94 is: 69,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.62 : 125,013.62 = 50,308.94 : x
  2. Step 2: Convert to fraction form
    90,592.62/125,013.62 = 50,308.94/x
  3. Step 3: Cross multiply
    90,592.62x = 125,013.62 × 50,308.94
  4. Step 4: Simplify right side
    90,592.62x = 6,289,302,707.76
  5. Step 5: Solve for x
    x = 6,289,302,707.76/90,592.62
  6. Step 6: Final answer
    x = 69,424.01

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1.5x scale

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.