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Finding the Fourth Proportional to 98,628.50, 147,980.01 and 59,213.09

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Solution

The fourth proportional to 98,628.50, 147,980.01 and 59,213.09 is: 88,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,628.50 : 147,980.01 = 59,213.09 : x
  2. Step 2: Convert to fraction form
    98,628.50/147,980.01 = 59,213.09/x
  3. Step 3: Cross multiply
    98,628.50x = 147,980.01 × 59,213.09
  4. Step 4: Simplify right side
    98,628.50x = 8,762,354,242.33
  5. Step 5: Solve for x
    x = 8,762,354,242.33/98,628.50
  6. Step 6: Final answer
    x = 88,842.01

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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.