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Finding the Fourth Proportional to 234,643.41, 351,946.76 and 66,156.93

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Solution

The fourth proportional to 234,643.41, 351,946.76 and 66,156.93 is: 99,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,643.41 : 351,946.76 = 66,156.93 : x
  2. Step 2: Convert to fraction form
    234,643.41/351,946.76 = 66,156.93/x
  3. Step 3: Cross multiply
    234,643.41x = 351,946.76 × 66,156.93
  4. Step 4: Simplify right side
    234,643.41x = 23,283,716,834.26
  5. Step 5: Solve for x
    x = 23,283,716,834.26/234,643.41
  6. Step 6: Final answer
    x = 99,230.22

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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.