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Finding the Fourth Proportional to 92,747,032.80, 129,675,784.80 and 92,747,032.80

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Solution

The fourth proportional to 92,747,032.80, 129,675,784.80 and 92,747,032.80 is: 129,675,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,747,032.80 : 129,675,784.80 = 92,747,032.80 : x
  2. Step 2: Convert to fraction form
    92,747,032.80/129,675,784.80 = 92,747,032.80/x
  3. Step 3: Cross multiply
    92,747,032.80x = 129,675,784.80 × 92,747,032.80
  4. Step 4: Simplify right side
    92,747,032.80x = 12,027,044,266,211,340
  5. Step 5: Solve for x
    x = 12,027,044,266,211,340/92,747,032.80
  6. Step 6: Final answer
    x = 129,675,784.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.