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Finding the Fourth Proportional to 85,659.86, 118,212.04 and 46,901.07

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Solution

The fourth proportional to 85,659.86, 118,212.04 and 46,901.07 is: 64,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,659.86 : 118,212.04 = 46,901.07 : x
  2. Step 2: Convert to fraction form
    85,659.86/118,212.04 = 46,901.07/x
  3. Step 3: Cross multiply
    85,659.86x = 118,212.04 × 46,901.07
  4. Step 4: Simplify right side
    85,659.86x = 5,544,271,221.51
  5. Step 5: Solve for x
    x = 5,544,271,221.51/85,659.86
  6. Step 6: Final answer
    x = 64,724.26

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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.