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Finding the Fourth Proportional to 147,655.60, 203,693.88 and 96,645.88

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Solution

The fourth proportional to 147,655.60, 203,693.88 and 96,645.88 is: 133,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,655.60 : 203,693.88 = 96,645.88 : x
  2. Step 2: Convert to fraction form
    147,655.60/203,693.88 = 96,645.88/x
  3. Step 3: Cross multiply
    147,655.60x = 203,693.88 × 96,645.88
  4. Step 4: Simplify right side
    147,655.60x = 19,686,174,283.21
  5. Step 5: Solve for x
    x = 19,686,174,283.21/147,655.60
  6. Step 6: Final answer
    x = 133,324.94

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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.