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Finding the Fourth Proportional to 84,602.79, 116,751.87 and 50,612.69

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Solution

The fourth proportional to 84,602.79, 116,751.87 and 50,612.69 is: 69,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602.79 : 116,751.87 = 50,612.69 : x
  2. Step 2: Convert to fraction form
    84,602.79/116,751.87 = 50,612.69/x
  3. Step 3: Cross multiply
    84,602.79x = 116,751.87 × 50,612.69
  4. Step 4: Simplify right side
    84,602.79x = 5,909,125,619.47
  5. Step 5: Solve for x
    x = 5,909,125,619.47/84,602.79
  6. Step 6: Final answer
    x = 69,845.52

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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.