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Finding the Fourth Proportional to 105,040.48, 157,466.40 and 41,904.40

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Solution

The fourth proportional to 105,040.48, 157,466.40 and 41,904.40 is: 62,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.48 : 157,466.40 = 41,904.40 : x
  2. Step 2: Convert to fraction form
    105,040.48/157,466.40 = 41,904.40/x
  3. Step 3: Cross multiply
    105,040.48x = 157,466.40 × 41,904.40
  4. Step 4: Simplify right side
    105,040.48x = 6,598,535,012.16
  5. Step 5: Solve for x
    x = 6,598,535,012.16/105,040.48
  6. Step 6: Final answer
    x = 62,818.97

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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.