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Finding the Fourth Proportional to 93,269.56, 139,931.64 and 30,088.48

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Solution

The fourth proportional to 93,269.56, 139,931.64 and 30,088.48 is: 45,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,269.56 : 139,931.64 = 30,088.48 : x
  2. Step 2: Convert to fraction form
    93,269.56/139,931.64 = 30,088.48/x
  3. Step 3: Cross multiply
    93,269.56x = 139,931.64 × 30,088.48
  4. Step 4: Simplify right side
    93,269.56x = 4,210,330,351.51
  5. Step 5: Solve for x
    x = 4,210,330,351.51/93,269.56
  6. Step 6: Final answer
    x = 45,141.53

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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.