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Finding the Fourth Proportional to 93,077.74, 139,505.64 and 64,844.92

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Solution

The fourth proportional to 93,077.74, 139,505.64 and 64,844.92 is: 97,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,077.74 : 139,505.64 = 64,844.92 : x
  2. Step 2: Convert to fraction form
    93,077.74/139,505.64 = 64,844.92/x
  3. Step 3: Cross multiply
    93,077.74x = 139,505.64 × 64,844.92
  4. Step 4: Simplify right side
    93,077.74x = 9,046,232,065.35
  5. Step 5: Solve for x
    x = 9,046,232,065.35/93,077.74
  6. Step 6: Final answer
    x = 97,190.07

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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.