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Finding the Fourth Proportional to 97,178.59, 134,060.59 and 56,867.39

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Solution

The fourth proportional to 97,178.59, 134,060.59 and 56,867.39 is: 78,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,178.59 : 134,060.59 = 56,867.39 : x
  2. Step 2: Convert to fraction form
    97,178.59/134,060.59 = 56,867.39/x
  3. Step 3: Cross multiply
    97,178.59x = 134,060.59 × 56,867.39
  4. Step 4: Simplify right side
    97,178.59x = 7,623,676,295.65
  5. Step 5: Solve for x
    x = 7,623,676,295.65/97,178.59
  6. Step 6: Final answer
    x = 78,450.17

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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.