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Finding the Fourth Proportional to 85,154.66, 117,522.66 and 46,918.12

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Solution

The fourth proportional to 85,154.66, 117,522.66 and 46,918.12 is: 64,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,154.66 : 117,522.66 = 46,918.12 : x
  2. Step 2: Convert to fraction form
    85,154.66/117,522.66 = 46,918.12/x
  3. Step 3: Cross multiply
    85,154.66x = 117,522.66 × 46,918.12
  4. Step 4: Simplify right side
    85,154.66x = 5,513,942,264.60
  5. Step 5: Solve for x
    x = 5,513,942,264.60/85,154.66
  6. Step 6: Final answer
    x = 64,752.09

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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.