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Finding the Fourth Proportional to 85,156.84, 117,518.90 and 46,918.84

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Solution

The fourth proportional to 85,156.84, 117,518.90 and 46,918.84 is: 64,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156.84 : 117,518.90 = 46,918.84 : x
  2. Step 2: Convert to fraction form
    85,156.84/117,518.90 = 46,918.84/x
  3. Step 3: Cross multiply
    85,156.84x = 117,518.90 × 46,918.84
  4. Step 4: Simplify right side
    85,156.84x = 5,513,850,466.08
  5. Step 5: Solve for x
    x = 5,513,850,466.08/85,156.84
  6. Step 6: Final answer
    x = 64,749.36

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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.