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Finding the Fourth Proportional to 152,493.17, 210,455.23 and 84,524.86

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Solution

The fourth proportional to 152,493.17, 210,455.23 and 84,524.86 is: 116,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,493.17 : 210,455.23 = 84,524.86 : x
  2. Step 2: Convert to fraction form
    152,493.17/210,455.23 = 84,524.86/x
  3. Step 3: Cross multiply
    152,493.17x = 210,455.23 × 84,524.86
  4. Step 4: Simplify right side
    152,493.17x = 17,788,698,852.02
  5. Step 5: Solve for x
    x = 17,788,698,852.02/152,493.17
  6. Step 6: Final answer
    x = 116,652.43

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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.