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Finding the Fourth Proportional to 98,238.47, 135,569.09 and 53,526.47

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Solution

The fourth proportional to 98,238.47, 135,569.09 and 53,526.47 is: 73,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,238.47 : 135,569.09 = 53,526.47 : x
  2. Step 2: Convert to fraction form
    98,238.47/135,569.09 = 53,526.47/x
  3. Step 3: Cross multiply
    98,238.47x = 135,569.09 × 53,526.47
  4. Step 4: Simplify right side
    98,238.47x = 7,256,533,883.33
  5. Step 5: Solve for x
    x = 7,256,533,883.33/98,238.47
  6. Step 6: Final answer
    x = 73,866.52

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1.5x scale

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.