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Finding the Fourth Proportional to 127,953.44, 176,569.59 and 69,806.72

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Solution

The fourth proportional to 127,953.44, 176,569.59 and 69,806.72 is: 96,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953.44 : 176,569.59 = 69,806.72 : x
  2. Step 2: Convert to fraction form
    127,953.44/176,569.59 = 69,806.72/x
  3. Step 3: Cross multiply
    127,953.44x = 176,569.59 × 69,806.72
  4. Step 4: Simplify right side
    127,953.44x = 12,325,742,697.76
  5. Step 5: Solve for x
    x = 12,325,742,697.76/127,953.44
  6. Step 6: Final answer
    x = 96,329.90

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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.