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Finding the Fourth Proportional to 237,205.36, 355,948.40 and 87,549.90

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Solution

The fourth proportional to 237,205.36, 355,948.40 and 87,549.90 is: 131,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,205.36 : 355,948.40 = 87,549.90 : x
  2. Step 2: Convert to fraction form
    237,205.36/355,948.40 = 87,549.90/x
  3. Step 3: Cross multiply
    237,205.36x = 355,948.40 × 87,549.90
  4. Step 4: Simplify right side
    237,205.36x = 31,163,246,825.16
  5. Step 5: Solve for x
    x = 31,163,246,825.16/237,205.36
  6. Step 6: Final answer
    x = 131,376.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.