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Finding the Fourth Proportional to 98,557.52, 136,009.80 and 53,846.48

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Solution

The fourth proportional to 98,557.52, 136,009.80 and 53,846.48 is: 74,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,557.52 : 136,009.80 = 53,846.48 : x
  2. Step 2: Convert to fraction form
    98,557.52/136,009.80 = 53,846.48/x
  3. Step 3: Cross multiply
    98,557.52x = 136,009.80 × 53,846.48
  4. Step 4: Simplify right side
    98,557.52x = 7,323,648,975.50
  5. Step 5: Solve for x
    x = 7,323,648,975.50/98,557.52
  6. Step 6: Final answer
    x = 74,308.37

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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.