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Finding the Fourth Proportional to 84,900.93, 117,163.85 and 53,088.45

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Solution

The fourth proportional to 84,900.93, 117,163.85 and 53,088.45 is: 73,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.93 : 117,163.85 = 53,088.45 : x
  2. Step 2: Convert to fraction form
    84,900.93/117,163.85 = 53,088.45/x
  3. Step 3: Cross multiply
    84,900.93x = 117,163.85 × 53,088.45
  4. Step 4: Simplify right side
    84,900.93x = 6,220,046,927.09
  5. Step 5: Solve for x
    x = 6,220,046,927.09/84,900.93
  6. Step 6: Final answer
    x = 73,262.41

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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.