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Finding the Fourth Proportional to 271,888.52, 375,121.50 and 157,125.34

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Solution

The fourth proportional to 271,888.52, 375,121.50 and 157,125.34 is: 216,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,888.52 : 375,121.50 = 157,125.34 : x
  2. Step 2: Convert to fraction form
    271,888.52/375,121.50 = 157,125.34/x
  3. Step 3: Cross multiply
    271,888.52x = 375,121.50 × 157,125.34
  4. Step 4: Simplify right side
    271,888.52x = 58,941,093,228.81
  5. Step 5: Solve for x
    x = 58,941,093,228.81/271,888.52
  6. Step 6: Final answer
    x = 216,784.05

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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.