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Finding the Fourth Proportional to 93,323.93, 139,978.10 and 48,296.79

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Solution

The fourth proportional to 93,323.93, 139,978.10 and 48,296.79 is: 72,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,323.93 : 139,978.10 = 48,296.79 : x
  2. Step 2: Convert to fraction form
    93,323.93/139,978.10 = 48,296.79/x
  3. Step 3: Cross multiply
    93,323.93x = 139,978.10 × 48,296.79
  4. Step 4: Simplify right side
    93,323.93x = 6,760,492,658.82
  5. Step 5: Solve for x
    x = 6,760,492,658.82/93,323.93
  6. Step 6: Final answer
    x = 72,441.15

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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.