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Finding the Fourth Proportional to 93,055.16, 139,529.70 and 63,508.76

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Solution

The fourth proportional to 93,055.16, 139,529.70 and 63,508.76 is: 95,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,055.16 : 139,529.70 = 63,508.76 : x
  2. Step 2: Convert to fraction form
    93,055.16/139,529.70 = 63,508.76/x
  3. Step 3: Cross multiply
    93,055.16x = 139,529.70 × 63,508.76
  4. Step 4: Simplify right side
    93,055.16x = 8,861,358,230.17
  5. Step 5: Solve for x
    x = 8,861,358,230.17/93,055.16
  6. Step 6: Final answer
    x = 95,226.94

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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.