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Finding the Fourth Proportional to 211,632.35, 317,478.32 and 61,883.91

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Solution

The fourth proportional to 211,632.35, 317,478.32 and 61,883.91 is: 92,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,632.35 : 317,478.32 = 61,883.91 : x
  2. Step 2: Convert to fraction form
    211,632.35/317,478.32 = 61,883.91/x
  3. Step 3: Cross multiply
    211,632.35x = 317,478.32 × 61,883.91
  4. Step 4: Simplify right side
    211,632.35x = 19,646,799,472.41
  5. Step 5: Solve for x
    x = 19,646,799,472.41/211,632.35
  6. Step 6: Final answer
    x = 92,834.57

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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.