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Finding the Fourth Proportional to 157,984.60, 218,022.94 and 94,359.10

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Solution

The fourth proportional to 157,984.60, 218,022.94 and 94,359.10 is: 130,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,984.60 : 218,022.94 = 94,359.10 : x
  2. Step 2: Convert to fraction form
    157,984.60/218,022.94 = 94,359.10/x
  3. Step 3: Cross multiply
    157,984.60x = 218,022.94 × 94,359.10
  4. Step 4: Simplify right side
    157,984.60x = 20,572,448,397.75
  5. Step 5: Solve for x
    x = 20,572,448,397.75/157,984.60
  6. Step 6: Final answer
    x = 130,218.06

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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.