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Finding the Fourth Proportional to 84,602.68, 116,751.69 and 50,612.60

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Solution

The fourth proportional to 84,602.68, 116,751.69 and 50,612.60 is: 69,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602.68 : 116,751.69 = 50,612.60 : x
  2. Step 2: Convert to fraction form
    84,602.68/116,751.69 = 50,612.60/x
  3. Step 3: Cross multiply
    84,602.68x = 116,751.69 × 50,612.60
  4. Step 4: Simplify right side
    84,602.68x = 5,909,106,877.17
  5. Step 5: Solve for x
    x = 5,909,106,877.17/84,602.68
  6. Step 6: Final answer
    x = 69,845.39

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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.