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Finding the Fourth Proportional to 153,594.56, 230,430.72 and 42,786.56

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Solution

The fourth proportional to 153,594.56, 230,430.72 and 42,786.56 is: 64,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,594.56 : 230,430.72 = 42,786.56 : x
  2. Step 2: Convert to fraction form
    153,594.56/230,430.72 = 42,786.56/x
  3. Step 3: Cross multiply
    153,594.56x = 230,430.72 × 42,786.56
  4. Step 4: Simplify right side
    153,594.56x = 9,859,338,563.65
  5. Step 5: Solve for x
    x = 9,859,338,563.65/153,594.56
  6. Step 6: Final answer
    x = 64,190.67

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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.