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Finding the Fourth Proportional to 117,749.70, 162,496.02 and 64,036.08

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Solution

The fourth proportional to 117,749.70, 162,496.02 and 64,036.08 is: 88,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,749.70 : 162,496.02 = 64,036.08 : x
  2. Step 2: Convert to fraction form
    117,749.70/162,496.02 = 64,036.08/x
  3. Step 3: Cross multiply
    117,749.70x = 162,496.02 × 64,036.08
  4. Step 4: Simplify right side
    117,749.70x = 10,405,608,136.40
  5. Step 5: Solve for x
    x = 10,405,608,136.40/117,749.70
  6. Step 6: Final answer
    x = 88,370.57

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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.