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Finding the Fourth Proportional to 98,364, 147,507.12 and 48,407.52

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Solution

The fourth proportional to 98,364, 147,507.12 and 48,407.52 is: 72,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,364 : 147,507.12 = 48,407.52 : x
  2. Step 2: Convert to fraction form
    98,364/147,507.12 = 48,407.52/x
  3. Step 3: Cross multiply
    98,364x = 147,507.12 × 48,407.52
  4. Step 4: Simplify right side
    98,364x = 7,140,453,861.54
  5. Step 5: Solve for x
    x = 7,140,453,861.54/98,364
  6. Step 6: Final answer
    x = 72,592.15

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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.