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Finding the Fourth Proportional to 211,809.92, 317,662.56 and 62,011.52

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Solution

The fourth proportional to 211,809.92, 317,662.56 and 62,011.52 is: 93,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,809.92 : 317,662.56 = 62,011.52 : x
  2. Step 2: Convert to fraction form
    211,809.92/317,662.56 = 62,011.52/x
  3. Step 3: Cross multiply
    211,809.92x = 317,662.56 × 62,011.52
  4. Step 4: Simplify right side
    211,809.92x = 19,698,738,192.69
  5. Step 5: Solve for x
    x = 19,698,738,192.69/211,809.92
  6. Step 6: Final answer
    x = 93,001.96

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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.