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Finding the Fourth Proportional to 206,703.36, 310,024.80 and 98,608.32

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Solution

The fourth proportional to 206,703.36, 310,024.80 and 98,608.32 is: 147,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,703.36 : 310,024.80 = 98,608.32 : x
  2. Step 2: Convert to fraction form
    206,703.36/310,024.80 = 98,608.32/x
  3. Step 3: Cross multiply
    206,703.36x = 310,024.80 × 98,608.32
  4. Step 4: Simplify right side
    206,703.36x = 30,571,024,686.34
  5. Step 5: Solve for x
    x = 30,571,024,686.34/206,703.36
  6. Step 6: Final answer
    x = 147,898.05

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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.