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Finding the Fourth Proportional to 272,973.30, 409,472.10 and 93,056.10

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Solution

The fourth proportional to 272,973.30, 409,472.10 and 93,056.10 is: 139,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,973.30 : 409,472.10 = 93,056.10 : x
  2. Step 2: Convert to fraction form
    272,973.30/409,472.10 = 93,056.10/x
  3. Step 3: Cross multiply
    272,973.30x = 409,472.10 × 93,056.10
  4. Step 4: Simplify right side
    272,973.30x = 38,103,876,684.81
  5. Step 5: Solve for x
    x = 38,103,876,684.81/272,973.30
  6. Step 6: Final answer
    x = 139,588.29

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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.