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Finding the Fourth Proportional to 98,316.98, 147,478.73 and 27,240.33

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Solution

The fourth proportional to 98,316.98, 147,478.73 and 27,240.33 is: 40,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.98 : 147,478.73 = 27,240.33 : x
  2. Step 2: Convert to fraction form
    98,316.98/147,478.73 = 27,240.33/x
  3. Step 3: Cross multiply
    98,316.98x = 147,478.73 × 27,240.33
  4. Step 4: Simplify right side
    98,316.98x = 4,017,369,273.18
  5. Step 5: Solve for x
    x = 4,017,369,273.18/98,316.98
  6. Step 6: Final answer
    x = 40,861.40

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1.5x scale

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.