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Finding the Fourth Proportional to 85,066.71, 117,392.49 and 46,830.12

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Solution

The fourth proportional to 85,066.71, 117,392.49 and 46,830.12 is: 64,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,066.71 : 117,392.49 = 46,830.12 : x
  2. Step 2: Convert to fraction form
    85,066.71/117,392.49 = 46,830.12/x
  3. Step 3: Cross multiply
    85,066.71x = 117,392.49 × 46,830.12
  4. Step 4: Simplify right side
    85,066.71x = 5,497,503,953.58
  5. Step 5: Solve for x
    x = 5,497,503,953.58/85,066.71
  6. Step 6: Final answer
    x = 64,625.80

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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.