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Finding the Fourth Proportional to 133,305.60, 199,472.40 and 98,313.60

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Solution

The fourth proportional to 133,305.60, 199,472.40 and 98,313.60 is: 147,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,305.60 : 199,472.40 = 98,313.60 : x
  2. Step 2: Convert to fraction form
    133,305.60/199,472.40 = 98,313.60/x
  3. Step 3: Cross multiply
    133,305.60x = 199,472.40 × 98,313.60
  4. Step 4: Simplify right side
    133,305.60x = 19,610,849,744.64
  5. Step 5: Solve for x
    x = 19,610,849,744.64/133,305.60
  6. Step 6: Final answer
    x = 147,111.97

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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.