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Finding the Fourth Proportional to 98,572.60, 147,856.72 and 27,493.35

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Solution

The fourth proportional to 98,572.60, 147,856.72 and 27,493.35 is: 41,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,572.60 : 147,856.72 = 27,493.35 : x
  2. Step 2: Convert to fraction form
    98,572.60/147,856.72 = 27,493.35/x
  3. Step 3: Cross multiply
    98,572.60x = 147,856.72 × 27,493.35
  4. Step 4: Simplify right side
    98,572.60x = 4,065,076,552.81
  5. Step 5: Solve for x
    x = 4,065,076,552.81/98,572.60
  6. Step 6: Final answer
    x = 41,239.42

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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.