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Finding the Fourth Proportional to 222,312.80, 333,501.30 and 72,516.06

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Solution

The fourth proportional to 222,312.80, 333,501.30 and 72,516.06 is: 108,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,312.80 : 333,501.30 = 72,516.06 : x
  2. Step 2: Convert to fraction form
    222,312.80/333,501.30 = 72,516.06/x
  3. Step 3: Cross multiply
    222,312.80x = 333,501.30 × 72,516.06
  4. Step 4: Simplify right side
    222,312.80x = 24,184,200,280.88
  5. Step 5: Solve for x
    x = 24,184,200,280.88/222,312.80
  6. Step 6: Final answer
    x = 108,784.56

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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.