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Finding the Fourth Proportional to 93,253.81, 139,922.07 and 48,870.01

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Solution

The fourth proportional to 93,253.81, 139,922.07 and 48,870.01 is: 73,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,253.81 : 139,922.07 = 48,870.01 : x
  2. Step 2: Convert to fraction form
    93,253.81/139,922.07 = 48,870.01/x
  3. Step 3: Cross multiply
    93,253.81x = 139,922.07 × 48,870.01
  4. Step 4: Simplify right side
    93,253.81x = 6,837,992,960.12
  5. Step 5: Solve for x
    x = 6,837,992,960.12/93,253.81
  6. Step 6: Final answer
    x = 73,326.69

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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.