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Finding the Fourth Proportional to 47,292,077.80, 70,938,116.70 and 47,292,077.80

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Solution

The fourth proportional to 47,292,077.80, 70,938,116.70 and 47,292,077.80 is: 70,938,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,292,077.80 : 70,938,116.70 = 47,292,077.80 : x
  2. Step 2: Convert to fraction form
    47,292,077.80/70,938,116.70 = 47,292,077.80/x
  3. Step 3: Cross multiply
    47,292,077.80x = 70,938,116.70 × 47,292,077.80
  4. Step 4: Simplify right side
    47,292,077.80x = 3,354,810,933,961,879
  5. Step 5: Solve for x
    x = 3,354,810,933,961,879/47,292,077.80
  6. Step 6: Final answer
    x = 70,938,116.70

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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.