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Finding the Fourth Proportional to 84,649.56, 116,808.54 and 46,920.60

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Solution

The fourth proportional to 84,649.56, 116,808.54 and 46,920.60 is: 64,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,649.56 : 116,808.54 = 46,920.60 : x
  2. Step 2: Convert to fraction form
    84,649.56/116,808.54 = 46,920.60/x
  3. Step 3: Cross multiply
    84,649.56x = 116,808.54 × 46,920.60
  4. Step 4: Simplify right side
    84,649.56x = 5,480,726,781.92
  5. Step 5: Solve for x
    x = 5,480,726,781.92/84,649.56
  6. Step 6: Final answer
    x = 64,746.08

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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.