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Finding the Fourth Proportional to 160,226, 221,124.84 and 93,170.96

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Solution

The fourth proportional to 160,226, 221,124.84 and 93,170.96 is: 128,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,226 : 221,124.84 = 93,170.96 : x
  2. Step 2: Convert to fraction form
    160,226/221,124.84 = 93,170.96/x
  3. Step 3: Cross multiply
    160,226x = 221,124.84 × 93,170.96
  4. Step 4: Simplify right side
    160,226x = 20,602,413,622.65
  5. Step 5: Solve for x
    x = 20,602,413,622.65/160,226
  6. Step 6: Final answer
    x = 128,583.46

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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.