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Finding the Fourth Proportional to 93,157.52, 139,750.26 and 43,242.74

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Solution

The fourth proportional to 93,157.52, 139,750.26 and 43,242.74 is: 64,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.52 : 139,750.26 = 43,242.74 : x
  2. Step 2: Convert to fraction form
    93,157.52/139,750.26 = 43,242.74/x
  3. Step 3: Cross multiply
    93,157.52x = 139,750.26 × 43,242.74
  4. Step 4: Simplify right side
    93,157.52x = 6,043,184,158.11
  5. Step 5: Solve for x
    x = 6,043,184,158.11/93,157.52
  6. Step 6: Final answer
    x = 64,870.60

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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.