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Finding the Fourth Proportional to 178,176.40, 245,887.40 and 101,693.94

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Solution

The fourth proportional to 178,176.40, 245,887.40 and 101,693.94 is: 140,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,176.40 : 245,887.40 = 101,693.94 : x
  2. Step 2: Convert to fraction form
    178,176.40/245,887.40 = 101,693.94/x
  3. Step 3: Cross multiply
    178,176.40x = 245,887.40 × 101,693.94
  4. Step 4: Simplify right side
    178,176.40x = 25,005,258,502.36
  5. Step 5: Solve for x
    x = 25,005,258,502.36/178,176.40
  6. Step 6: Final answer
    x = 140,339.90

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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.