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Finding the Fourth Proportional to 29,808,101.20, 44,712,151.80 and 20,171,304.40

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Solution

The fourth proportional to 29,808,101.20, 44,712,151.80 and 20,171,304.40 is: 30,256,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808,101.20 : 44,712,151.80 = 20,171,304.40 : x
  2. Step 2: Convert to fraction form
    29,808,101.20/44,712,151.80 = 20,171,304.40/x
  3. Step 3: Cross multiply
    29,808,101.20x = 44,712,151.80 × 20,171,304.40
  4. Step 4: Simplify right side
    29,808,101.20x = 901,902,424,336,807.75
  5. Step 5: Solve for x
    x = 901,902,424,336,807.75/29,808,101.20
  6. Step 6: Final answer
    x = 30,256,956.60

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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.