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Finding the Fourth Proportional to 176,648, 243,775.52 and 97,160

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Solution

The fourth proportional to 176,648, 243,775.52 and 97,160 is: 134,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,648 : 243,775.52 = 97,160 : x
  2. Step 2: Convert to fraction form
    176,648/243,775.52 = 97,160/x
  3. Step 3: Cross multiply
    176,648x = 243,775.52 × 97,160
  4. Step 4: Simplify right side
    176,648x = 23,685,229,523.20
  5. Step 5: Solve for x
    x = 23,685,229,523.20/176,648
  6. Step 6: Final answer
    x = 134,081.50

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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.