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Finding the Fourth Proportional to 234,776.76, 352,186.61 and 66,299.60

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Solution

The fourth proportional to 234,776.76, 352,186.61 and 66,299.60 is: 99,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,776.76 : 352,186.61 = 66,299.60 : x
  2. Step 2: Convert to fraction form
    234,776.76/352,186.61 = 66,299.60/x
  3. Step 3: Cross multiply
    234,776.76x = 352,186.61 × 66,299.60
  4. Step 4: Simplify right side
    234,776.76x = 23,349,829,275.93
  5. Step 5: Solve for x
    x = 23,349,829,275.93/234,776.76
  6. Step 6: Final answer
    x = 99,455.45

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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.