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Finding the Fourth Proportional to 117,640.68, 176,490.72 and 34,534.68

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Solution

The fourth proportional to 117,640.68, 176,490.72 and 34,534.68 is: 51,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,640.68 : 176,490.72 = 34,534.68 : x
  2. Step 2: Convert to fraction form
    117,640.68/176,490.72 = 34,534.68/x
  3. Step 3: Cross multiply
    117,640.68x = 176,490.72 × 34,534.68
  4. Step 4: Simplify right side
    117,640.68x = 6,095,050,538.17
  5. Step 5: Solve for x
    x = 6,095,050,538.17/117,640.68
  6. Step 6: Final answer
    x = 51,810.74

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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.