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Finding the Fourth Proportional to 116,663.40, 175,016.70 and 37,780.20

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Solution

The fourth proportional to 116,663.40, 175,016.70 and 37,780.20 is: 56,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,663.40 : 175,016.70 = 37,780.20 : x
  2. Step 2: Convert to fraction form
    116,663.40/175,016.70 = 37,780.20/x
  3. Step 3: Cross multiply
    116,663.40x = 175,016.70 × 37,780.20
  4. Step 4: Simplify right side
    116,663.40x = 6,612,165,929.34
  5. Step 5: Solve for x
    x = 6,612,165,929.34/116,663.40
  6. Step 6: Final answer
    x = 56,677.29

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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.