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Finding the Fourth Proportional to 160,407.42, 221,339.07 and 88,787.27

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Solution

The fourth proportional to 160,407.42, 221,339.07 and 88,787.27 is: 122,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,407.42 : 221,339.07 = 88,787.27 : x
  2. Step 2: Convert to fraction form
    160,407.42/221,339.07 = 88,787.27/x
  3. Step 3: Cross multiply
    160,407.42x = 221,339.07 × 88,787.27
  4. Step 4: Simplify right side
    160,407.42x = 19,652,090,662.94
  5. Step 5: Solve for x
    x = 19,652,090,662.94/160,407.42
  6. Step 6: Final answer
    x = 122,513.60

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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.