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Finding the Fourth Proportional to 234,988.40, 352,527.24 and 77,262.32

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Solution

The fourth proportional to 234,988.40, 352,527.24 and 77,262.32 is: 115,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,988.40 : 352,527.24 = 77,262.32 : x
  2. Step 2: Convert to fraction form
    234,988.40/352,527.24 = 77,262.32/x
  3. Step 3: Cross multiply
    234,988.40x = 352,527.24 × 77,262.32
  4. Step 4: Simplify right side
    234,988.40x = 27,237,072,425.60
  5. Step 5: Solve for x
    x = 27,237,072,425.60/234,988.40
  6. Step 6: Final answer
    x = 115,908.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.