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Finding the Fourth Proportional to 265,197.71, 365,807.58 and 161,784.66

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Solution

The fourth proportional to 265,197.71, 365,807.58 and 161,784.66 is: 223,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,197.71 : 365,807.58 = 161,784.66 : x
  2. Step 2: Convert to fraction form
    265,197.71/365,807.58 = 161,784.66/x
  3. Step 3: Cross multiply
    265,197.71x = 365,807.58 × 161,784.66
  4. Step 4: Simplify right side
    265,197.71x = 59,182,054,955.72
  5. Step 5: Solve for x
    x = 59,182,054,955.72/265,197.71
  6. Step 6: Final answer
    x = 223,162.01

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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.