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Finding the Fourth Proportional to 216,709.54, 324,623.67 and 176,870.50

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Solution

The fourth proportional to 216,709.54, 324,623.67 and 176,870.50 is: 264,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,709.54 : 324,623.67 = 176,870.50 : x
  2. Step 2: Convert to fraction form
    216,709.54/324,623.67 = 176,870.50/x
  3. Step 3: Cross multiply
    216,709.54x = 324,623.67 × 176,870.50
  4. Step 4: Simplify right side
    216,709.54x = 57,416,350,824.74
  5. Step 5: Solve for x
    x = 57,416,350,824.74/216,709.54
  6. Step 6: Final answer
    x = 264,946.12

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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.