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Finding the Fourth Proportional to 207,000.55, 285,691.01 and 116,363.98

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Solution

The fourth proportional to 207,000.55, 285,691.01 and 116,363.98 is: 160,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,000.55 : 285,691.01 = 116,363.98 : x
  2. Step 2: Convert to fraction form
    207,000.55/285,691.01 = 116,363.98/x
  3. Step 3: Cross multiply
    207,000.55x = 285,691.01 × 116,363.98
  4. Step 4: Simplify right side
    207,000.55x = 33,244,142,973.82
  5. Step 5: Solve for x
    x = 33,244,142,973.82/207,000.55
  6. Step 6: Final answer
    x = 160,599.30

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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.