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Finding the Fourth Proportional to 211,872.40, 292,376.06 and 116,373.40

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Solution

The fourth proportional to 211,872.40, 292,376.06 and 116,373.40 is: 160,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,872.40 : 292,376.06 = 116,373.40 : x
  2. Step 2: Convert to fraction form
    211,872.40/292,376.06 = 116,373.40/x
  3. Step 3: Cross multiply
    211,872.40x = 292,376.06 × 116,373.40
  4. Step 4: Simplify right side
    211,872.40x = 34,024,796,180.80
  5. Step 5: Solve for x
    x = 34,024,796,180.80/211,872.40
  6. Step 6: Final answer
    x = 160,590.98

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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.