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Finding the Fourth Proportional to 29,893,671.60, 44,861,502.60 and 19,137,130.80

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Solution

The fourth proportional to 29,893,671.60, 44,861,502.60 and 19,137,130.80 is: 28,719,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,893,671.60 : 44,861,502.60 = 19,137,130.80 : x
  2. Step 2: Convert to fraction form
    29,893,671.60/44,861,502.60 = 19,137,130.80/x
  3. Step 3: Cross multiply
    29,893,671.60x = 44,861,502.60 × 19,137,130.80
  4. Step 4: Simplify right side
    29,893,671.60x = 858,520,443,140,740.12
  5. Step 5: Solve for x
    x = 858,520,443,140,740.12/29,893,671.60
  6. Step 6: Final answer
    x = 28,719,136.77

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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.