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Finding the Fourth Proportional to 259,059.76, 357,299.84 and 168,445.04

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Solution

The fourth proportional to 259,059.76, 357,299.84 and 168,445.04 is: 232,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,059.76 : 357,299.84 = 168,445.04 : x
  2. Step 2: Convert to fraction form
    259,059.76/357,299.84 = 168,445.04/x
  3. Step 3: Cross multiply
    259,059.76x = 357,299.84 × 168,445.04
  4. Step 4: Simplify right side
    259,059.76x = 60,185,385,840.79
  5. Step 5: Solve for x
    x = 60,185,385,840.79/259,059.76
  6. Step 6: Final answer
    x = 232,322.40

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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.