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Finding the Fourth Proportional to 91,863,114.90, 137,794,672.35 and 83,360,058.90

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Solution

The fourth proportional to 91,863,114.90, 137,794,672.35 and 83,360,058.90 is: 125,040,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,863,114.90 : 137,794,672.35 = 83,360,058.90 : x
  2. Step 2: Convert to fraction form
    91,863,114.90/137,794,672.35 = 83,360,058.90/x
  3. Step 3: Cross multiply
    91,863,114.90x = 137,794,672.35 × 83,360,058.90
  4. Step 4: Simplify right side
    91,863,114.90x = 11,486,572,003,202,202
  5. Step 5: Solve for x
    x = 11,486,572,003,202,202/91,863,114.90
  6. Step 6: Final answer
    x = 125,040,088.35

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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.