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Finding the Fourth Proportional to 97,658.40, 146,552.40 and 55,538.40

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Solution

The fourth proportional to 97,658.40, 146,552.40 and 55,538.40 is: 83,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,658.40 : 146,552.40 = 55,538.40 : x
  2. Step 2: Convert to fraction form
    97,658.40/146,552.40 = 55,538.40/x
  3. Step 3: Cross multiply
    97,658.40x = 146,552.40 × 55,538.40
  4. Step 4: Simplify right side
    97,658.40x = 8,139,285,812.16
  5. Step 5: Solve for x
    x = 8,139,285,812.16/97,658.40
  6. Step 6: Final answer
    x = 83,344.45

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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.