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Finding the Fourth Proportional to 98,240.63, 135,572.07 and 53,528.63

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Solution

The fourth proportional to 98,240.63, 135,572.07 and 53,528.63 is: 73,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,240.63 : 135,572.07 = 53,528.63 : x
  2. Step 2: Convert to fraction form
    98,240.63/135,572.07 = 53,528.63/x
  3. Step 3: Cross multiply
    98,240.63x = 135,572.07 × 53,528.63
  4. Step 4: Simplify right side
    98,240.63x = 7,256,986,495.50
  5. Step 5: Solve for x
    x = 7,256,986,495.50/98,240.63
  6. Step 6: Final answer
    x = 73,869.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.