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Finding the Fourth Proportional to 170,000.99, 234,610.71 and 98,404.08

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Solution

The fourth proportional to 170,000.99, 234,610.71 and 98,404.08 is: 135,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,000.99 : 234,610.71 = 98,404.08 : x
  2. Step 2: Convert to fraction form
    170,000.99/234,610.71 = 98,404.08/x
  3. Step 3: Cross multiply
    170,000.99x = 234,610.71 × 98,404.08
  4. Step 4: Simplify right side
    170,000.99x = 23,086,651,700.10
  5. Step 5: Solve for x
    x = 23,086,651,700.10/170,000.99
  6. Step 6: Final answer
    x = 135,803.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.