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Finding the Fourth Proportional to 77,117.44, 106,410.75 and 45,296.59

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Solution

The fourth proportional to 77,117.44, 106,410.75 and 45,296.59 is: 62,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,117.44 : 106,410.75 = 45,296.59 : x
  2. Step 2: Convert to fraction form
    77,117.44/106,410.75 = 45,296.59/x
  3. Step 3: Cross multiply
    77,117.44x = 106,410.75 × 45,296.59
  4. Step 4: Simplify right side
    77,117.44x = 4,820,044,114.34
  5. Step 5: Solve for x
    x = 4,820,044,114.34/77,117.44
  6. Step 6: Final answer
    x = 62,502.65

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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.