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Finding the Fourth Proportional to 57,332,681.85, 80,492,502.75 and 57,332,681.85

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Solution

The fourth proportional to 57,332,681.85, 80,492,502.75 and 57,332,681.85 is: 80,492,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,332,681.85 : 80,492,502.75 = 57,332,681.85 : x
  2. Step 2: Convert to fraction form
    57,332,681.85/80,492,502.75 = 57,332,681.85/x
  3. Step 3: Cross multiply
    57,332,681.85x = 80,492,502.75 × 57,332,681.85
  4. Step 4: Simplify right side
    57,332,681.85x = 4,614,851,051,476,000
  5. Step 5: Solve for x
    x = 4,614,851,051,476,000/57,332,681.85
  6. Step 6: Final answer
    x = 80,492,502.75

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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.