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Finding the Fourth Proportional to 237,776.56, 328,129.28 and 130,348.39

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Solution

The fourth proportional to 237,776.56, 328,129.28 and 130,348.39 is: 179,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,776.56 : 328,129.28 = 130,348.39 : x
  2. Step 2: Convert to fraction form
    237,776.56/328,129.28 = 130,348.39/x
  3. Step 3: Cross multiply
    237,776.56x = 328,129.28 × 130,348.39
  4. Step 4: Simplify right side
    237,776.56x = 42,771,122,991.84
  5. Step 5: Solve for x
    x = 42,771,122,991.84/237,776.56
  6. Step 6: Final answer
    x = 179,879.47

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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.