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Finding the Fourth Proportional to 88,569.40, 133,007.70 and 62,457.40

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Solution

The fourth proportional to 88,569.40, 133,007.70 and 62,457.40 is: 93,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,569.40 : 133,007.70 = 62,457.40 : x
  2. Step 2: Convert to fraction form
    88,569.40/133,007.70 = 62,457.40/x
  3. Step 3: Cross multiply
    88,569.40x = 133,007.70 × 62,457.40
  4. Step 4: Simplify right side
    88,569.40x = 8,307,315,121.98
  5. Step 5: Solve for x
    x = 8,307,315,121.98/88,569.40
  6. Step 6: Final answer
    x = 93,794.42

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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.