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Finding the Fourth Proportional to 266,937.20, 368,213.20 and 176,293.32

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Solution

The fourth proportional to 266,937.20, 368,213.20 and 176,293.32 is: 243,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,937.20 : 368,213.20 = 176,293.32 : x
  2. Step 2: Convert to fraction form
    266,937.20/368,213.20 = 176,293.32/x
  3. Step 3: Cross multiply
    266,937.20x = 368,213.20 × 176,293.32
  4. Step 4: Simplify right side
    266,937.20x = 64,913,527,495.82
  5. Step 5: Solve for x
    x = 64,913,527,495.82/266,937.20
  6. Step 6: Final answer
    x = 243,179.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.