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Finding the Fourth Proportional to 156,572,039.30, 234,858,058.95 and 156,572,039.30

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Solution

The fourth proportional to 156,572,039.30, 234,858,058.95 and 156,572,039.30 is: 234,858,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,572,039.30 : 234,858,058.95 = 156,572,039.30 : x
  2. Step 2: Convert to fraction form
    156,572,039.30/234,858,058.95 = 156,572,039.30/x
  3. Step 3: Cross multiply
    156,572,039.30x = 234,858,058.95 × 156,572,039.30
  4. Step 4: Simplify right side
    156,572,039.30x = 36,772,205,235,841,120
  5. Step 5: Solve for x
    x = 36,772,205,235,841,120/156,572,039.30
  6. Step 6: Final answer
    x = 234,858,058.95

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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.