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Finding the Fourth Proportional to 101,750.48, 152,651.68 and 31,630.40

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Solution

The fourth proportional to 101,750.48, 152,651.68 and 31,630.40 is: 47,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,750.48 : 152,651.68 = 31,630.40 : x
  2. Step 2: Convert to fraction form
    101,750.48/152,651.68 = 31,630.40/x
  3. Step 3: Cross multiply
    101,750.48x = 152,651.68 × 31,630.40
  4. Step 4: Simplify right side
    101,750.48x = 4,828,433,699.07
  5. Step 5: Solve for x
    x = 4,828,433,699.07/101,750.48
  6. Step 6: Final answer
    x = 47,453.67

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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.