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Finding the Fourth Proportional to 266,097.76, 399,210.44 and 88,606.40

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Solution

The fourth proportional to 266,097.76, 399,210.44 and 88,606.40 is: 132,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,097.76 : 399,210.44 = 88,606.40 : x
  2. Step 2: Convert to fraction form
    266,097.76/399,210.44 = 88,606.40/x
  3. Step 3: Cross multiply
    266,097.76x = 399,210.44 × 88,606.40
  4. Step 4: Simplify right side
    266,097.76x = 35,372,599,930.82
  5. Step 5: Solve for x
    x = 35,372,599,930.82/266,097.76
  6. Step 6: Final answer
    x = 132,930.84

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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.