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Finding the Fourth Proportional to 153,039.63, 211,053.45 and 95,660.67

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Solution

The fourth proportional to 153,039.63, 211,053.45 and 95,660.67 is: 131,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,039.63 : 211,053.45 = 95,660.67 : x
  2. Step 2: Convert to fraction form
    153,039.63/211,053.45 = 95,660.67/x
  3. Step 3: Cross multiply
    153,039.63x = 211,053.45 × 95,660.67
  4. Step 4: Simplify right side
    153,039.63x = 20,189,514,432.81
  5. Step 5: Solve for x
    x = 20,189,514,432.81/153,039.63
  6. Step 6: Final answer
    x = 131,923.44

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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.