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Finding the Fourth Proportional to 242,847.90, 364,099.05 and 93,030.30

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Solution

The fourth proportional to 242,847.90, 364,099.05 and 93,030.30 is: 139,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,847.90 : 364,099.05 = 93,030.30 : x
  2. Step 2: Convert to fraction form
    242,847.90/364,099.05 = 93,030.30/x
  3. Step 3: Cross multiply
    242,847.90x = 364,099.05 × 93,030.30
  4. Step 4: Simplify right side
    242,847.90x = 33,872,243,851.22
  5. Step 5: Solve for x
    x = 33,872,243,851.22/242,847.90
  6. Step 6: Final answer
    x = 139,479.25

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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.