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Finding the Fourth Proportional to 153,323.34, 230,015.10 and 53,486.79

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Solution

The fourth proportional to 153,323.34, 230,015.10 and 53,486.79 is: 80,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,323.34 : 230,015.10 = 53,486.79 : x
  2. Step 2: Convert to fraction form
    153,323.34/230,015.10 = 53,486.79/x
  3. Step 3: Cross multiply
    153,323.34x = 230,015.10 × 53,486.79
  4. Step 4: Simplify right side
    153,323.34x = 12,302,769,350.53
  5. Step 5: Solve for x
    x = 12,302,769,350.53/153,323.34
  6. Step 6: Final answer
    x = 80,240.68

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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.