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Finding the Fourth Proportional to 310,060.59, 427,888.10 and 174,123.96

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Solution

The fourth proportional to 310,060.59, 427,888.10 and 174,123.96 is: 240,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,060.59 : 427,888.10 = 174,123.96 : x
  2. Step 2: Convert to fraction form
    310,060.59/427,888.10 = 174,123.96/x
  3. Step 3: Cross multiply
    310,060.59x = 427,888.10 × 174,123.96
  4. Step 4: Simplify right side
    310,060.59x = 74,505,567,398.82
  5. Step 5: Solve for x
    x = 74,505,567,398.82/310,060.59
  6. Step 6: Final answer
    x = 240,293.58

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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.