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Finding the Fourth Proportional to 235,592.48, 325,111.80 and 134,984

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Solution

The fourth proportional to 235,592.48, 325,111.80 and 134,984 is: 186,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,592.48 : 325,111.80 = 134,984 : x
  2. Step 2: Convert to fraction form
    235,592.48/325,111.80 = 134,984/x
  3. Step 3: Cross multiply
    235,592.48x = 325,111.80 × 134,984
  4. Step 4: Simplify right side
    235,592.48x = 43,884,891,211.20
  5. Step 5: Solve for x
    x = 43,884,891,211.20/235,592.48
  6. Step 6: Final answer
    x = 186,274.58

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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.