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Finding the Fourth Proportional to 93,225.55, 139,744.69 and 29,999.20

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Solution

The fourth proportional to 93,225.55, 139,744.69 and 29,999.20 is: 44,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.55 : 139,744.69 = 29,999.20 : x
  2. Step 2: Convert to fraction form
    93,225.55/139,744.69 = 29,999.20/x
  3. Step 3: Cross multiply
    93,225.55x = 139,744.69 × 29,999.20
  4. Step 4: Simplify right side
    93,225.55x = 4,192,229,178.61
  5. Step 5: Solve for x
    x = 4,192,229,178.61/93,225.55
  6. Step 6: Final answer
    x = 44,968.67

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1.5x scale

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.