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Finding the Fourth Proportional to 84,648.56, 116,807.16 and 46,919.60

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Solution

The fourth proportional to 84,648.56, 116,807.16 and 46,919.60 is: 64,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,648.56 : 116,807.16 = 46,919.60 : x
  2. Step 2: Convert to fraction form
    84,648.56/116,807.16 = 46,919.60/x
  3. Step 3: Cross multiply
    84,648.56x = 116,807.16 × 46,919.60
  4. Step 4: Simplify right side
    84,648.56x = 5,480,545,224.34
  5. Step 5: Solve for x
    x = 5,480,545,224.34/84,648.56
  6. Step 6: Final answer
    x = 64,744.70

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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.