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Finding the Fourth Proportional to 156,617,615.80, 234,926,423.70 and 156,617,615.80

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Solution

The fourth proportional to 156,617,615.80, 234,926,423.70 and 156,617,615.80 is: 234,926,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,617,615.80 : 234,926,423.70 = 156,617,615.80 : x
  2. Step 2: Convert to fraction form
    156,617,615.80/234,926,423.70 = 156,617,615.80/x
  3. Step 3: Cross multiply
    156,617,615.80x = 234,926,423.70 × 156,617,615.80
  4. Step 4: Simplify right side
    156,617,615.80x = 36,793,616,368,314,616
  5. Step 5: Solve for x
    x = 36,793,616,368,314,616/156,617,615.80
  6. Step 6: Final answer
    x = 234,926,423.70

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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.