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Finding the Fourth Proportional to 160,095.36, 220,867.20 and 103,486.08

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Solution

The fourth proportional to 160,095.36, 220,867.20 and 103,486.08 is: 142,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,095.36 : 220,867.20 = 103,486.08 : x
  2. Step 2: Convert to fraction form
    160,095.36/220,867.20 = 103,486.08/x
  3. Step 3: Cross multiply
    160,095.36x = 220,867.20 × 103,486.08
  4. Step 4: Simplify right side
    160,095.36x = 22,856,680,728.58
  5. Step 5: Solve for x
    x = 22,856,680,728.58/160,095.36
  6. Step 6: Final answer
    x = 142,769.16

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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.