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Finding the Fourth Proportional to 88,123, 121,554.40 and 52,287.64

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Solution

The fourth proportional to 88,123, 121,554.40 and 52,287.64 is: 72,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,123 : 121,554.40 = 52,287.64 : x
  2. Step 2: Convert to fraction form
    88,123/121,554.40 = 52,287.64/x
  3. Step 3: Cross multiply
    88,123x = 121,554.40 × 52,287.64
  4. Step 4: Simplify right side
    88,123x = 6,355,792,707.62
  5. Step 5: Solve for x
    x = 6,355,792,707.62/88,123
  6. Step 6: Final answer
    x = 72,124.11

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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.