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Finding the Fourth Proportional to 97,165.44, 134,097.87 and 56,876.76

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Solution

The fourth proportional to 97,165.44, 134,097.87 and 56,876.76 is: 78,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.44 : 134,097.87 = 56,876.76 : x
  2. Step 2: Convert to fraction form
    97,165.44/134,097.87 = 56,876.76/x
  3. Step 3: Cross multiply
    97,165.44x = 134,097.87 × 56,876.76
  4. Step 4: Simplify right side
    97,165.44x = 7,627,052,368.50
  5. Step 5: Solve for x
    x = 7,627,052,368.50/97,165.44
  6. Step 6: Final answer
    x = 78,495.53

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1.5x scale

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.