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Finding the Fourth Proportional to 157,973.09, 218,007.05 and 94,347.59

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Solution

The fourth proportional to 157,973.09, 218,007.05 and 94,347.59 is: 130,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,973.09 : 218,007.05 = 94,347.59 : x
  2. Step 2: Convert to fraction form
    157,973.09/218,007.05 = 94,347.59/x
  3. Step 3: Cross multiply
    157,973.09x = 218,007.05 × 94,347.59
  4. Step 4: Simplify right side
    157,973.09x = 20,568,438,208.74
  5. Step 5: Solve for x
    x = 20,568,438,208.74/157,973.09
  6. Step 6: Final answer
    x = 130,202.17

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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.