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Finding the Fourth Proportional to 117,152.34, 161,671.01 and 63,437.36

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Solution

The fourth proportional to 117,152.34, 161,671.01 and 63,437.36 is: 87,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,152.34 : 161,671.01 = 63,437.36 : x
  2. Step 2: Convert to fraction form
    117,152.34/161,671.01 = 63,437.36/x
  3. Step 3: Cross multiply
    117,152.34x = 161,671.01 × 63,437.36
  4. Step 4: Simplify right side
    117,152.34x = 10,255,980,937.39
  5. Step 5: Solve for x
    x = 10,255,980,937.39/117,152.34
  6. Step 6: Final answer
    x = 87,543.97

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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.