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Finding the Fourth Proportional to 92,675,274.74, 127,883,425.55 and 54,991,944.02

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Solution

The fourth proportional to 92,675,274.74, 127,883,425.55 and 54,991,944.02 is: 75,883,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675,274.74 : 127,883,425.55 = 54,991,944.02 : x
  2. Step 2: Convert to fraction form
    92,675,274.74/127,883,425.55 = 54,991,944.02/x
  3. Step 3: Cross multiply
    92,675,274.74x = 127,883,425.55 × 54,991,944.02
  4. Step 4: Simplify right side
    92,675,274.74x = 7,032,558,178,223,281
  5. Step 5: Solve for x
    x = 7,032,558,178,223,281/92,675,274.74
  6. Step 6: Final answer
    x = 75,883,866.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.