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Finding the Fourth Proportional to 127,898.66, 176,502.36 and 70,544.54

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Solution

The fourth proportional to 127,898.66, 176,502.36 and 70,544.54 is: 97,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,898.66 : 176,502.36 = 70,544.54 : x
  2. Step 2: Convert to fraction form
    127,898.66/176,502.36 = 70,544.54/x
  3. Step 3: Cross multiply
    127,898.66x = 176,502.36 × 70,544.54
  4. Step 4: Simplify right side
    127,898.66x = 12,451,277,795.11
  5. Step 5: Solve for x
    x = 12,451,277,795.11/127,898.66
  6. Step 6: Final answer
    x = 97,352.68

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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.