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Finding the Fourth Proportional to 242,905.18, 364,404.47 and 93,133.79

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Solution

The fourth proportional to 242,905.18, 364,404.47 and 93,133.79 is: 139,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,905.18 : 364,404.47 = 93,133.79 : x
  2. Step 2: Convert to fraction form
    242,905.18/364,404.47 = 93,133.79/x
  3. Step 3: Cross multiply
    242,905.18x = 364,404.47 × 93,133.79
  4. Step 4: Simplify right side
    242,905.18x = 33,938,367,096.35
  5. Step 5: Solve for x
    x = 33,938,367,096.35/242,905.18
  6. Step 6: Final answer
    x = 139,718.58

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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.