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Finding the Fourth Proportional to 130,471.88, 195,740.63 and 36,977.63

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Solution

The fourth proportional to 130,471.88, 195,740.63 and 36,977.63 is: 55,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,471.88 : 195,740.63 = 36,977.63 : x
  2. Step 2: Convert to fraction form
    130,471.88/195,740.63 = 36,977.63/x
  3. Step 3: Cross multiply
    130,471.88x = 195,740.63 × 36,977.63
  4. Step 4: Simplify right side
    130,471.88x = 7,238,024,592.11
  5. Step 5: Solve for x
    x = 7,238,024,592.11/130,471.88
  6. Step 6: Final answer
    x = 55,475.74

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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.