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Finding the Fourth Proportional to 98,727.60, 148,091.40 and 98,727.60

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Solution

The fourth proportional to 98,727.60, 148,091.40 and 98,727.60 is: 148,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.60 : 148,091.40 = 98,727.60 : x
  2. Step 2: Convert to fraction form
    98,727.60/148,091.40 = 98,727.60/x
  3. Step 3: Cross multiply
    98,727.60x = 148,091.40 × 98,727.60
  4. Step 4: Simplify right side
    98,727.60x = 14,620,708,502.64
  5. Step 5: Solve for x
    x = 14,620,708,502.64/98,727.60
  6. Step 6: Final answer
    x = 148,091.40

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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.