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Finding the Fourth Proportional to 117,461.60, 176,036.40 and 64,016.36

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Solution

The fourth proportional to 117,461.60, 176,036.40 and 64,016.36 is: 95,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,461.60 : 176,036.40 = 64,016.36 : x
  2. Step 2: Convert to fraction form
    117,461.60/176,036.40 = 64,016.36/x
  3. Step 3: Cross multiply
    117,461.60x = 176,036.40 × 64,016.36
  4. Step 4: Simplify right side
    117,461.60x = 11,269,209,555.50
  5. Step 5: Solve for x
    x = 11,269,209,555.50/117,461.60
  6. Step 6: Final answer
    x = 95,939.52

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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.