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Finding the Fourth Proportional to 93,302.16, 139,994.56 and 48,918.32

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Solution

The fourth proportional to 93,302.16, 139,994.56 and 48,918.32 is: 73,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302.16 : 139,994.56 = 48,918.32 : x
  2. Step 2: Convert to fraction form
    93,302.16/139,994.56 = 48,918.32/x
  3. Step 3: Cross multiply
    93,302.16x = 139,994.56 × 48,918.32
  4. Step 4: Simplify right side
    93,302.16x = 6,848,298,684.34
  5. Step 5: Solve for x
    x = 6,848,298,684.34/93,302.16
  6. Step 6: Final answer
    x = 73,399.14

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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.