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Finding the Fourth Proportional to 62,986,692.60, 94,480,038.90 and 31,136,196.60

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Solution

The fourth proportional to 62,986,692.60, 94,480,038.90 and 31,136,196.60 is: 46,704,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986,692.60 : 94,480,038.90 = 31,136,196.60 : x
  2. Step 2: Convert to fraction form
    62,986,692.60/94,480,038.90 = 31,136,196.60/x
  3. Step 3: Cross multiply
    62,986,692.60x = 94,480,038.90 × 31,136,196.60
  4. Step 4: Simplify right side
    62,986,692.60x = 2,941,749,065,966,048
  5. Step 5: Solve for x
    x = 2,941,749,065,966,048/62,986,692.60
  6. Step 6: Final answer
    x = 46,704,294.90

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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.