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Finding the Fourth Proportional to 170,064.68, 235,012.94 and 127,549.40

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Solution

The fourth proportional to 170,064.68, 235,012.94 and 127,549.40 is: 176,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,064.68 : 235,012.94 = 127,549.40 : x
  2. Step 2: Convert to fraction form
    170,064.68/235,012.94 = 127,549.40/x
  3. Step 3: Cross multiply
    170,064.68x = 235,012.94 × 127,549.40
  4. Step 4: Simplify right side
    170,064.68x = 29,975,757,676.42
  5. Step 5: Solve for x
    x = 29,975,757,676.42/170,064.68
  6. Step 6: Final answer
    x = 176,260.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.