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Finding the Fourth Proportional to 242,814.70, 364,112.70 and 93,005.20

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Solution

The fourth proportional to 242,814.70, 364,112.70 and 93,005.20 is: 139,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,814.70 : 364,112.70 = 93,005.20 : x
  2. Step 2: Convert to fraction form
    242,814.70/364,112.70 = 93,005.20/x
  3. Step 3: Cross multiply
    242,814.70x = 364,112.70 × 93,005.20
  4. Step 4: Simplify right side
    242,814.70x = 33,864,374,486.04
  5. Step 5: Solve for x
    x = 33,864,374,486.04/242,814.70
  6. Step 6: Final answer
    x = 139,465.92

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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.