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Finding the Fourth Proportional to 178,100.08, 245,815.22 and 163,737.16

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Solution

The fourth proportional to 178,100.08, 245,815.22 and 163,737.16 is: 225,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,100.08 : 245,815.22 = 163,737.16 : x
  2. Step 2: Convert to fraction form
    178,100.08/245,815.22 = 163,737.16/x
  3. Step 3: Cross multiply
    178,100.08x = 245,815.22 × 163,737.16
  4. Step 4: Simplify right side
    178,100.08x = 40,249,085,956.47
  5. Step 5: Solve for x
    x = 40,249,085,956.47/178,100.08
  6. Step 6: Final answer
    x = 225,991.40

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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.