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Finding the Fourth Proportional to 174,606.84, 261,916.74 and 56,279.88

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Solution

The fourth proportional to 174,606.84, 261,916.74 and 56,279.88 is: 84,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,606.84 : 261,916.74 = 56,279.88 : x
  2. Step 2: Convert to fraction form
    174,606.84/261,916.74 = 56,279.88/x
  3. Step 3: Cross multiply
    174,606.84x = 261,916.74 × 56,279.88
  4. Step 4: Simplify right side
    174,606.84x = 14,740,642,697.19
  5. Step 5: Solve for x
    x = 14,740,642,697.19/174,606.84
  6. Step 6: Final answer
    x = 84,421.91

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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.