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Finding the Fourth Proportional to 167,142.54, 250,714.35 and 42,483.54

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Solution

The fourth proportional to 167,142.54, 250,714.35 and 42,483.54 is: 63,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,142.54 : 250,714.35 = 42,483.54 : x
  2. Step 2: Convert to fraction form
    167,142.54/250,714.35 = 42,483.54/x
  3. Step 3: Cross multiply
    167,142.54x = 250,714.35 × 42,483.54
  4. Step 4: Simplify right side
    167,142.54x = 10,651,232,904.38
  5. Step 5: Solve for x
    x = 10,651,232,904.38/167,142.54
  6. Step 6: Final answer
    x = 63,725.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.