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Finding the Fourth Proportional to 259,145.60, 357,498.72 and 151,649.68

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Solution

The fourth proportional to 259,145.60, 357,498.72 and 151,649.68 is: 209,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,145.60 : 357,498.72 = 151,649.68 : x
  2. Step 2: Convert to fraction form
    259,145.60/357,498.72 = 151,649.68/x
  3. Step 3: Cross multiply
    259,145.60x = 357,498.72 × 151,649.68
  4. Step 4: Simplify right side
    259,145.60x = 54,214,566,488.41
  5. Step 5: Solve for x
    x = 54,214,566,488.41/259,145.60
  6. Step 6: Final answer
    x = 209,205.04

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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.