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Finding the Fourth Proportional to 172,659.59, 238,306.99 and 116,038.16

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Solution

The fourth proportional to 172,659.59, 238,306.99 and 116,038.16 is: 160,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,659.59 : 238,306.99 = 116,038.16 : x
  2. Step 2: Convert to fraction form
    172,659.59/238,306.99 = 116,038.16/x
  3. Step 3: Cross multiply
    172,659.59x = 238,306.99 × 116,038.16
  4. Step 4: Simplify right side
    172,659.59x = 27,652,704,634.74
  5. Step 5: Solve for x
    x = 27,652,704,634.74/172,659.59
  6. Step 6: Final answer
    x = 160,157.36

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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.