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Finding the Fourth Proportional to 177,068.39, 265,784.02 and 138,052.31

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Solution

The fourth proportional to 177,068.39, 265,784.02 and 138,052.31 is: 207,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,068.39 : 265,784.02 = 138,052.31 : x
  2. Step 2: Convert to fraction form
    177,068.39/265,784.02 = 138,052.31/x
  3. Step 3: Cross multiply
    177,068.39x = 265,784.02 × 138,052.31
  4. Step 4: Simplify right side
    177,068.39x = 36,692,096,248.04
  5. Step 5: Solve for x
    x = 36,692,096,248.04/177,068.39
  6. Step 6: Final answer
    x = 207,219.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.