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Finding the Fourth Proportional to 29,808,119.20, 44,712,178.80 and 20,171,322.40

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Solution

The fourth proportional to 29,808,119.20, 44,712,178.80 and 20,171,322.40 is: 30,256,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808,119.20 : 44,712,178.80 = 20,171,322.40 : x
  2. Step 2: Convert to fraction form
    29,808,119.20/44,712,178.80 = 20,171,322.40/x
  3. Step 3: Cross multiply
    29,808,119.20x = 44,712,178.80 × 20,171,322.40
  4. Step 4: Simplify right side
    29,808,119.20x = 901,903,773,781,245
  5. Step 5: Solve for x
    x = 901,903,773,781,245/29,808,119.20
  6. Step 6: Final answer
    x = 30,256,983.60

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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.