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Finding the Fourth Proportional to 93,270.51, 139,947.08 and 48,886.71

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Solution

The fourth proportional to 93,270.51, 139,947.08 and 48,886.71 is: 73,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,270.51 : 139,947.08 = 48,886.71 : x
  2. Step 2: Convert to fraction form
    93,270.51/139,947.08 = 48,886.71/x
  3. Step 3: Cross multiply
    93,270.51x = 139,947.08 × 48,886.71
  4. Step 4: Simplify right side
    93,270.51x = 6,841,552,070.87
  5. Step 5: Solve for x
    x = 6,841,552,070.87/93,270.51
  6. Step 6: Final answer
    x = 73,351.72

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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.