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Finding the Fourth Proportional to 340,130.34, 469,381.23 and 187,169.13

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Solution

The fourth proportional to 340,130.34, 469,381.23 and 187,169.13 is: 258,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,130.34 : 469,381.23 = 187,169.13 : x
  2. Step 2: Convert to fraction form
    340,130.34/469,381.23 = 187,169.13/x
  3. Step 3: Cross multiply
    340,130.34x = 469,381.23 × 187,169.13
  4. Step 4: Simplify right side
    340,130.34x = 87,853,676,457.43
  5. Step 5: Solve for x
    x = 87,853,676,457.43/340,130.34
  6. Step 6: Final answer
    x = 258,294.15

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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.