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Finding the Fourth Proportional to 77,363.74, 106,741.98 and 45,526.66

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Solution

The fourth proportional to 77,363.74, 106,741.98 and 45,526.66 is: 62,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,363.74 : 106,741.98 = 45,526.66 : x
  2. Step 2: Convert to fraction form
    77,363.74/106,741.98 = 45,526.66/x
  3. Step 3: Cross multiply
    77,363.74x = 106,741.98 × 45,526.66
  4. Step 4: Simplify right side
    77,363.74x = 4,859,605,831.19
  5. Step 5: Solve for x
    x = 4,859,605,831.19/77,363.74
  6. Step 6: Final answer
    x = 62,815.03

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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.