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Finding the Fourth Proportional to 158,430.80, 237,624.60 and 47,622.80

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Solution

The fourth proportional to 158,430.80, 237,624.60 and 47,622.80 is: 71,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,430.80 : 237,624.60 = 47,622.80 : x
  2. Step 2: Convert to fraction form
    158,430.80/237,624.60 = 47,622.80/x
  3. Step 3: Cross multiply
    158,430.80x = 237,624.60 × 47,622.80
  4. Step 4: Simplify right side
    158,430.80x = 11,316,348,800.88
  5. Step 5: Solve for x
    x = 11,316,348,800.88/158,430.80
  6. Step 6: Final answer
    x = 71,427.71

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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.