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Finding the Fourth Proportional to 216,495.59, 324,792.59 and 98,200.76

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Solution

The fourth proportional to 216,495.59, 324,792.59 and 98,200.76 is: 147,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,495.59 : 324,792.59 = 98,200.76 : x
  2. Step 2: Convert to fraction form
    216,495.59/324,792.59 = 98,200.76/x
  3. Step 3: Cross multiply
    216,495.59x = 324,792.59 × 98,200.76
  4. Step 4: Simplify right side
    216,495.59x = 31,894,877,065.40
  5. Step 5: Solve for x
    x = 31,894,877,065.40/216,495.59
  6. Step 6: Final answer
    x = 147,323.45

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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.