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Finding the Fourth Proportional to 234,387, 351,580.59 and 65,925.24

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Solution

The fourth proportional to 234,387, 351,580.59 and 65,925.24 is: 98,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,387 : 351,580.59 = 65,925.24 : x
  2. Step 2: Convert to fraction form
    234,387/351,580.59 = 65,925.24/x
  3. Step 3: Cross multiply
    234,387x = 351,580.59 × 65,925.24
  4. Step 4: Simplify right side
    234,387x = 23,178,034,775.09
  5. Step 5: Solve for x
    x = 23,178,034,775.09/234,387
  6. Step 6: Final answer
    x = 98,887.89

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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.