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Finding the Fourth Proportional to 265,000.32, 365,618.64 and 161,656.36

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Solution

The fourth proportional to 265,000.32, 365,618.64 and 161,656.36 is: 223,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,000.32 : 365,618.64 = 161,656.36 : x
  2. Step 2: Convert to fraction form
    265,000.32/365,618.64 = 161,656.36/x
  3. Step 3: Cross multiply
    265,000.32x = 365,618.64 × 161,656.36
  4. Step 4: Simplify right side
    265,000.32x = 59,104,578,490.55
  5. Step 5: Solve for x
    x = 59,104,578,490.55/265,000.32
  6. Step 6: Final answer
    x = 223,035.88

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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.