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Finding the Fourth Proportional to 77,094.40, 106,267.20 and 62,922.88

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Solution

The fourth proportional to 77,094.40, 106,267.20 and 62,922.88 is: 86,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,094.40 : 106,267.20 = 62,922.88 : x
  2. Step 2: Convert to fraction form
    77,094.40/106,267.20 = 62,922.88/x
  3. Step 3: Cross multiply
    77,094.40x = 106,267.20 × 62,922.88
  4. Step 4: Simplify right side
    77,094.40x = 6,686,638,273.54
  5. Step 5: Solve for x
    x = 6,686,638,273.54/77,094.40
  6. Step 6: Final answer
    x = 86,733.13

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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.