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Finding the Fourth Proportional to 101,575.62, 152,403.53 and 31,460.40

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Solution

The fourth proportional to 101,575.62, 152,403.53 and 31,460.40 is: 47,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,575.62 : 152,403.53 = 31,460.40 : x
  2. Step 2: Convert to fraction form
    101,575.62/152,403.53 = 31,460.40/x
  3. Step 3: Cross multiply
    101,575.62x = 152,403.53 × 31,460.40
  4. Step 4: Simplify right side
    101,575.62x = 4,794,675,857.91
  5. Step 5: Solve for x
    x = 4,794,675,857.91/101,575.62
  6. Step 6: Final answer
    x = 47,203.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.