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Finding the Fourth Proportional to 86,387.48, 119,224.40 and 48,150.51

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Solution

The fourth proportional to 86,387.48, 119,224.40 and 48,150.51 is: 66,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,387.48 : 119,224.40 = 48,150.51 : x
  2. Step 2: Convert to fraction form
    86,387.48/119,224.40 = 48,150.51/x
  3. Step 3: Cross multiply
    86,387.48x = 119,224.40 × 48,150.51
  4. Step 4: Simplify right side
    86,387.48x = 5,740,715,423.69
  5. Step 5: Solve for x
    x = 5,740,715,423.69/86,387.48
  6. Step 6: Final answer
    x = 66,453.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.