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Finding the Fourth Proportional to 152,548.88, 210,517.45 and 84,565.68

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Solution

The fourth proportional to 152,548.88, 210,517.45 and 84,565.68 is: 116,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,548.88 : 210,517.45 = 84,565.68 : x
  2. Step 2: Convert to fraction form
    152,548.88/210,517.45 = 84,565.68/x
  3. Step 3: Cross multiply
    152,548.88x = 210,517.45 × 84,565.68
  4. Step 4: Simplify right side
    152,548.88x = 17,802,551,311.12
  5. Step 5: Solve for x
    x = 17,802,551,311.12/152,548.88
  6. Step 6: Final answer
    x = 116,700.64

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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.