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Finding the Fourth Proportional to 29,808,101.70, 44,712,152.55 and 20,171,304.90

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Solution

The fourth proportional to 29,808,101.70, 44,712,152.55 and 20,171,304.90 is: 30,256,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808,101.70 : 44,712,152.55 = 20,171,304.90 : x
  2. Step 2: Convert to fraction form
    29,808,101.70/44,712,152.55 = 20,171,304.90/x
  3. Step 3: Cross multiply
    29,808,101.70x = 44,712,152.55 × 20,171,304.90
  4. Step 4: Simplify right side
    29,808,101.70x = 901,902,461,821,362.38
  5. Step 5: Solve for x
    x = 901,902,461,821,362.38/29,808,101.70
  6. Step 6: Final answer
    x = 30,256,957.35

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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.