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Finding the Fourth Proportional to 107,572.40, 148,453.50 and 59,176.34

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Solution

The fourth proportional to 107,572.40, 148,453.50 and 59,176.34 is: 81,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,572.40 : 148,453.50 = 59,176.34 : x
  2. Step 2: Convert to fraction form
    107,572.40/148,453.50 = 59,176.34/x
  3. Step 3: Cross multiply
    107,572.40x = 148,453.50 × 59,176.34
  4. Step 4: Simplify right side
    107,572.40x = 8,784,934,790.19
  5. Step 5: Solve for x
    x = 8,784,934,790.19/107,572.40
  6. Step 6: Final answer
    x = 81,665.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.