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Finding the Fourth Proportional to 237,859.95, 328,261.91 and 157,145.88

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Solution

The fourth proportional to 237,859.95, 328,261.91 and 157,145.88 is: 216,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,859.95 : 328,261.91 = 157,145.88 : x
  2. Step 2: Convert to fraction form
    237,859.95/328,261.91 = 157,145.88/x
  3. Step 3: Cross multiply
    237,859.95x = 328,261.91 × 157,145.88
  4. Step 4: Simplify right side
    237,859.95x = 51,585,005,931.70
  5. Step 5: Solve for x
    x = 51,585,005,931.70/237,859.95
  6. Step 6: Final answer
    x = 216,871.34

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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.