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Finding the Fourth Proportional to 93,225.93, 139,730.40 and 53,272.91

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Solution

The fourth proportional to 93,225.93, 139,730.40 and 53,272.91 is: 79,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.93 : 139,730.40 = 53,272.91 : x
  2. Step 2: Convert to fraction form
    93,225.93/139,730.40 = 53,272.91/x
  3. Step 3: Cross multiply
    93,225.93x = 139,730.40 × 53,272.91
  4. Step 4: Simplify right side
    93,225.93x = 7,443,845,372.79
  5. Step 5: Solve for x
    x = 7,443,845,372.79/93,225.93
  6. Step 6: Final answer
    x = 79,847.37

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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.