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Finding the Fourth Proportional to 160,468.90, 221,246.08 and 103,006.84

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Solution

The fourth proportional to 160,468.90, 221,246.08 and 103,006.84 is: 142,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,468.90 : 221,246.08 = 103,006.84 : x
  2. Step 2: Convert to fraction form
    160,468.90/221,246.08 = 103,006.84/x
  3. Step 3: Cross multiply
    160,468.90x = 221,246.08 × 103,006.84
  4. Step 4: Simplify right side
    160,468.90x = 22,789,859,746.80
  5. Step 5: Solve for x
    x = 22,789,859,746.80/160,468.90
  6. Step 6: Final answer
    x = 142,020.42

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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.