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Finding the Fourth Proportional to 85,684.90, 118,246.62 and 46,926.12

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Solution

The fourth proportional to 85,684.90, 118,246.62 and 46,926.12 is: 64,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,684.90 : 118,246.62 = 46,926.12 : x
  2. Step 2: Convert to fraction form
    85,684.90/118,246.62 = 46,926.12/x
  3. Step 3: Cross multiply
    85,684.90x = 118,246.62 × 46,926.12
  4. Step 4: Simplify right side
    85,684.90x = 5,548,855,079.71
  5. Step 5: Solve for x
    x = 5,548,855,079.71/85,684.90
  6. Step 6: Final answer
    x = 64,758.84

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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.