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Finding the Fourth Proportional to 86,102.37, 118,822.70 and 47,341.84

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Solution

The fourth proportional to 86,102.37, 118,822.70 and 47,341.84 is: 65,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,102.37 : 118,822.70 = 47,341.84 : x
  2. Step 2: Convert to fraction form
    86,102.37/118,822.70 = 47,341.84/x
  3. Step 3: Cross multiply
    86,102.37x = 118,822.70 × 47,341.84
  4. Step 4: Simplify right side
    86,102.37x = 5,625,284,718.00
  5. Step 5: Solve for x
    x = 5,625,284,718.00/86,102.37
  6. Step 6: Final answer
    x = 65,332.52

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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.