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Finding the Fourth Proportional to 98,332.56, 147,489.12 and 39,152.34

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Solution

The fourth proportional to 98,332.56, 147,489.12 and 39,152.34 is: 58,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,332.56 : 147,489.12 = 39,152.34 : x
  2. Step 2: Convert to fraction form
    98,332.56/147,489.12 = 39,152.34/x
  3. Step 3: Cross multiply
    98,332.56x = 147,489.12 × 39,152.34
  4. Step 4: Simplify right side
    98,332.56x = 5,774,544,172.54
  5. Step 5: Solve for x
    x = 5,774,544,172.54/98,332.56
  6. Step 6: Final answer
    x = 58,724.64

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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.