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Finding the Fourth Proportional to 117,510.72, 176,267.52 and 34,406.40

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Solution

The fourth proportional to 117,510.72, 176,267.52 and 34,406.40 is: 51,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,510.72 : 176,267.52 = 34,406.40 : x
  2. Step 2: Convert to fraction form
    117,510.72/176,267.52 = 34,406.40/x
  3. Step 3: Cross multiply
    117,510.72x = 176,267.52 × 34,406.40
  4. Step 4: Simplify right side
    117,510.72x = 6,064,730,800.13
  5. Step 5: Solve for x
    x = 6,064,730,800.13/117,510.72
  6. Step 6: Final answer
    x = 51,610.02

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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.