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Finding the Fourth Proportional to 235,527.14, 325,018.10 and 128,097.12

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Solution

The fourth proportional to 235,527.14, 325,018.10 and 128,097.12 is: 176,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,527.14 : 325,018.10 = 128,097.12 : x
  2. Step 2: Convert to fraction form
    235,527.14/325,018.10 = 128,097.12/x
  3. Step 3: Cross multiply
    235,527.14x = 325,018.10 × 128,097.12
  4. Step 4: Simplify right side
    235,527.14x = 41,633,882,557.87
  5. Step 5: Solve for x
    x = 41,633,882,557.87/235,527.14
  6. Step 6: Final answer
    x = 176,768.94

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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.