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Finding the Fourth Proportional to 160,574.66, 221,605.53 and 88,961.30

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Solution

The fourth proportional to 160,574.66, 221,605.53 and 88,961.30 is: 122,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,574.66 : 221,605.53 = 88,961.30 : x
  2. Step 2: Convert to fraction form
    160,574.66/221,605.53 = 88,961.30/x
  3. Step 3: Cross multiply
    160,574.66x = 221,605.53 × 88,961.30
  4. Step 4: Simplify right side
    160,574.66x = 19,714,316,035.99
  5. Step 5: Solve for x
    x = 19,714,316,035.99/160,574.66
  6. Step 6: Final answer
    x = 122,773.52

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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.