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Finding the Fourth Proportional to 160,471.64, 221,463.33 and 88,858.32

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Solution

The fourth proportional to 160,471.64, 221,463.33 and 88,858.32 is: 122,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,471.64 : 221,463.33 = 88,858.32 : x
  2. Step 2: Convert to fraction form
    160,471.64/221,463.33 = 88,858.32/x
  3. Step 3: Cross multiply
    160,471.64x = 221,463.33 × 88,858.32
  4. Step 4: Simplify right side
    160,471.64x = 19,678,859,001.11
  5. Step 5: Solve for x
    x = 19,678,859,001.11/160,471.64
  6. Step 6: Final answer
    x = 122,631.39

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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.