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Finding the Fourth Proportional to 98,810.56, 148,225.56 and 36,466.48

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Solution

The fourth proportional to 98,810.56, 148,225.56 and 36,466.48 is: 54,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,810.56 : 148,225.56 = 36,466.48 : x
  2. Step 2: Convert to fraction form
    98,810.56/148,225.56 = 36,466.48/x
  3. Step 3: Cross multiply
    98,810.56x = 148,225.56 × 36,466.48
  4. Step 4: Simplify right side
    98,810.56x = 5,405,264,419.23
  5. Step 5: Solve for x
    x = 5,405,264,419.23/98,810.56
  6. Step 6: Final answer
    x = 54,703.31

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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.