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Finding the Fourth Proportional to 84,159.68, 116,150.64 and 48,349.62

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Solution

The fourth proportional to 84,159.68, 116,150.64 and 48,349.62 is: 66,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,159.68 : 116,150.64 = 48,349.62 : x
  2. Step 2: Convert to fraction form
    84,159.68/116,150.64 = 48,349.62/x
  3. Step 3: Cross multiply
    84,159.68x = 116,150.64 × 48,349.62
  4. Step 4: Simplify right side
    84,159.68x = 5,615,839,306.76
  5. Step 5: Solve for x
    x = 5,615,839,306.76/84,159.68
  6. Step 6: Final answer
    x = 66,728.39

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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.