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Finding the Fourth Proportional to 133,005.60, 199,508.40 and 98,013.60

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Solution

The fourth proportional to 133,005.60, 199,508.40 and 98,013.60 is: 147,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,005.60 : 199,508.40 = 98,013.60 : x
  2. Step 2: Convert to fraction form
    133,005.60/199,508.40 = 98,013.60/x
  3. Step 3: Cross multiply
    133,005.60x = 199,508.40 × 98,013.60
  4. Step 4: Simplify right side
    133,005.60x = 19,554,536,514.24
  5. Step 5: Solve for x
    x = 19,554,536,514.24/133,005.60
  6. Step 6: Final answer
    x = 147,020.40

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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.