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Finding the Fourth Proportional to 86,708.39, 119,655.06 and 48,468.00

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Solution

The fourth proportional to 86,708.39, 119,655.06 and 48,468.00 is: 66,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,708.39 : 119,655.06 = 48,468.00 : x
  2. Step 2: Convert to fraction form
    86,708.39/119,655.06 = 48,468.00/x
  3. Step 3: Cross multiply
    86,708.39x = 119,655.06 × 48,468.00
  4. Step 4: Simplify right side
    86,708.39x = 5,799,441,715.03
  5. Step 5: Solve for x
    x = 5,799,441,715.03/86,708.39
  6. Step 6: Final answer
    x = 66,884.44

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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.