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Finding the Fourth Proportional to 176,508.52, 243,617.02 and 112,054.59

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Solution

The fourth proportional to 176,508.52, 243,617.02 and 112,054.59 is: 154,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,508.52 : 243,617.02 = 112,054.59 : x
  2. Step 2: Convert to fraction form
    176,508.52/243,617.02 = 112,054.59/x
  3. Step 3: Cross multiply
    176,508.52x = 243,617.02 × 112,054.59
  4. Step 4: Simplify right side
    176,508.52x = 27,298,405,012.99
  5. Step 5: Solve for x
    x = 27,298,405,012.99/176,508.52
  6. Step 6: Final answer
    x = 154,657.72

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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.