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Finding the Fourth Proportional to 235,527.91, 325,025.34 and 128,095.63

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Solution

The fourth proportional to 235,527.91, 325,025.34 and 128,095.63 is: 176,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,527.91 : 325,025.34 = 128,095.63 : x
  2. Step 2: Convert to fraction form
    235,527.91/325,025.34 = 128,095.63/x
  3. Step 3: Cross multiply
    235,527.91x = 325,025.34 × 128,095.63
  4. Step 4: Simplify right side
    235,527.91x = 41,634,325,693.26
  5. Step 5: Solve for x
    x = 41,634,325,693.26/235,527.91
  6. Step 6: Final answer
    x = 176,770.24

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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.