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Finding the Fourth Proportional to 150,596.10, 207,820.68 and 86,064.61

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Solution

The fourth proportional to 150,596.10, 207,820.68 and 86,064.61 is: 118,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,596.10 : 207,820.68 = 86,064.61 : x
  2. Step 2: Convert to fraction form
    150,596.10/207,820.68 = 86,064.61/x
  3. Step 3: Cross multiply
    150,596.10x = 207,820.68 × 86,064.61
  4. Step 4: Simplify right side
    150,596.10x = 17,886,005,774.13
  5. Step 5: Solve for x
    x = 17,886,005,774.13/150,596.10
  6. Step 6: Final answer
    x = 118,768.05

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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.