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Finding the Fourth Proportional to 259,037.96, 357,374.07 and 157,026.20

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Solution

The fourth proportional to 259,037.96, 357,374.07 and 157,026.20 is: 216,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,037.96 : 357,374.07 = 157,026.20 : x
  2. Step 2: Convert to fraction form
    259,037.96/357,374.07 = 157,026.20/x
  3. Step 3: Cross multiply
    259,037.96x = 357,374.07 × 157,026.20
  4. Step 4: Simplify right side
    259,037.96x = 56,117,090,403.76
  5. Step 5: Solve for x
    x = 56,117,090,403.76/259,037.96
  6. Step 6: Final answer
    x = 216,636.56

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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.