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Finding the Fourth Proportional to 93,157.20, 139,723.20 and 37,038.60

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Solution

The fourth proportional to 93,157.20, 139,723.20 and 37,038.60 is: 55,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.20 : 139,723.20 = 37,038.60 : x
  2. Step 2: Convert to fraction form
    93,157.20/139,723.20 = 37,038.60/x
  3. Step 3: Cross multiply
    93,157.20x = 139,723.20 × 37,038.60
  4. Step 4: Simplify right side
    93,157.20x = 5,175,151,715.52
  5. Step 5: Solve for x
    x = 5,175,151,715.52/93,157.20
  6. Step 6: Final answer
    x = 55,552.89

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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.